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Showing posts with label Logical Reasoning. Show all posts
Showing posts with label Logical Reasoning. Show all posts

February 13, 2012

Shopping Mall

Five friends J, K, L, M, N wants to buy clothes from Amima. J has more than thrice the amount that L has. K has a lesser amount as compared to M. N has twice as much as M. L has as much as M. They each have to buy at least a shirt or a T-shirt or a sweater or a tie or a pair of trousers, which are priced as Rs. 1200, Rs. 400, Rs. 800, Rs. 600 and Rs. 1400 respectively. K borrows Rs. 300 from J and buys a tie and is left with no money. M borrows Rs. 300 form N, buys a sweater and is left with no money. L borrows equal amounts from N and J and buys a shirt. Then, J gives Rs. 50 to N and they buy the remaining two items, and both are left with no money. What is the maximum number of items that J can buy with his own money?
1. 1
2. 2
3. 3
4. 4


Ans 3



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February 5, 2012

Company and Shirts

Six friends A, B, C, D, E and F works in different companies namely - P, Q, R, S, T, U and each wears company sponsored different coloured shirts viz Blue, Green, Pink, Yellow, Purpel and Red though not necessarily in the same order.

i) The one wearing the Blue shirt works in S and the one wearing a Green shirts works in P.
ii) F does not work in R or T.
iii) A wears Pink shirt and works in Q.
iv) D does not work in T and Purple coloured shirt is not sponsored by R.
v) E works in U and neither D or B works in S.
vi) T does not sponsor Purple or Yellow coloured shirts and C works in P.

Q1. Which colour shirt is sponsored by R?
a) Yellow
b) Blue
c) Pink
d) None of these.

Q2. Which of the following pair is correct?
a) Red-R-A
b) Red-T-B
c) Green-R-C
d) None of these

Q3. Which of the following is true?
a) U sponsors Green shirts.
b) D working in T.
c) E wears Red shirt.
d) Red shirt is sponsored by T.

Q4. What is the sequence of Companies representing A, B, C,D, E and F?
a) Q-P-T-R-U-S
b) Q-T-P-R-U-S
c) Q-P-T-S-U-R
d) None of these

Q5. If R and S decide to interchange the colours of sponsored shirts, then which two persons had to interchange their shirts?
a) D & F
b) A & C
c) D & E
d) B & D


Answer
1. a
2. b
3. d
4. b
5. a

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February 3, 2012

3 Generation Family

There is a three-generation family with 13 members. There are 7 females and 4 couples in the family.
I. G is a daughter of F and mother of H.
II. K has two children of opposite sex.
III. D’s maternal grandfather is B.
IV. G has two brothers, one of whom is married to her maternal uncle’s daughter E.
V. C’s mother-in-law A is F’s sister-in-law.
VI. H has two cousin brothers D and I.
VII. M is the niece of L and C.
VIII. D’s uncle is J whose maternal uncle is B.

Q1. Which of the following are couple?
1. F-B
2. H-J
3. G-B
4. None of these

Q2. Who is the father of H?
1. C
2. B
3. L
4. None of these

Q3. What is the relation between H and F?
1. Grandson-Grandfather
2. Grandson-Grandmother
3. Granddaughter-Grandmother
4. None of these

Q4. How many pairs of brother and sister are present in the family?
1. 2
2. 4
3. 6
4. None of these

Answer
1. 2
2. 3
3. 3
4. 2
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January 23, 2012

Judges Sit Arrangement


There are nine judges - G,H, I, K, L, M, N and O who have to appear on a series benches, Each bench will consists of three judges and each judge will appear in exactly one bench. The bench must be arranged according to the following conditions:
I) I and N must be on the same bench.
II) K and L must be on the same bench
III) O and J cannot be on the same bench.
IV) M must appear on the second bench.
V) Either J or M or both must appear on the bench with H.

Q1. Which of the following judges could not appear on a bench together?
a) G L O
b) G J M
C) K I M
d) N I J

Q2. Which of the following can not be true?
a) I appears on the second bench
b) H appears on the third bench
c) O appears on the third bench
d) J appears on the first bench, and H appears on the third.

Q3. The third bench could consists of all the following except.
a) K L O
b) K I J
c) G H J
d) G I N

Ans 
1. d
2. d
3. b

December 19, 2011

Couples and Profession


Five men A1, B1, C1, D1 and E1 are married to A2, B2, C2, D2 and E2. Their professions are actuary, barber, cobble, dentist and engineer. None of them have profession starting with the same initials as their name. E1’s wife is B2 and C1 is a dentist. D1 is married to A2, E1 is not a cobbler. A1 is not married to D2, while C1 is married to E2.

Q1. If D1 is a barber and none of the five men has his profession starting with the same initials as his wife, which of the following is B1’s profession?
1. Cobbler
2. Engineer
3. Actuary
4. None of these

Q2. The profession of the person who is married to C2---------------
1. Engineer
2. Dentist
3. Actuary
4. None of these





Answer
1. 1
2. 1

November 21, 2011

An Automated Plant


An automated plant has three conveyor belts – R, A and B. the units produced are sent continuously onto belt R at the rate of 1 unit/sec. A robot transfers the units either onto belt A or belt B, on which they are sent to the packaging department. Initially, five units are skipped to eliminate starting error. The robot then transfer units based on the program. The movement of the robot from the belt to belt B (or vice versa) and back takes two seconds. While carrying a unit the robot moves back to the belt from where it started. Neglect the time taken by robot to move from one belt to another when it is not carrying any unit. Only one command is executed at a time.

TAKE     RTOB (x): transfer ‘x’ units from belt R to the belt B ( this would take x seconds, at the rate of 1 sec/unit).
TAKE    ATOB (y) / TAKE    BOTA (y): transfer  ‘y’ units from belt A to the belt B or from belt B to belt A.
LEAVE (z): do not transfer the next z units. Following set of command is issued.

i. START
ii. LEAVE (5)
iii. TAKE     RTOB(25)
iv. TAKE     RTOA(30 
v. TAKE    ATOB(20)
vi. TAKE    RTOA(15)
vii. TAKE    RTOB(20)
viii. TAKE   BTOA(25)
ix. STOP

Q1. What is the total number of units produced when the above program is executed?
1) 125
2) 96
3) 185
4) 187

Q2. What is the difference in the number of units at belt A and belt B at the end of the above program?
1) 3
2) 10
3) 32
4) 5

Q3. What is the total time taken to execute the instruction?
1) 180
2) 185
3) 90
4) 235

Answer
1. 3
2. 2
3. 2

November 18, 2011

Subset and Superset


Eight sets A, B, C, D, E, R, G and H are such that
i) A is a superset of B, but a subset of C
ii) B is a subset of D, but a superset of E
iii) F is a subset of A, but a superset of B
iv) G is a superset of D, but a subset of F
v) H is a subset of B
N(A), N(B), N(C), N(D), N(E), N(G) and N(H) are the number of elements in the  sets A, B, C, D, E, F, G and H respectively.

Q1. Which of the following could be false, but not necessarily false?
a) E is a subset of D
b) E is a subset of C
c) E is a subset of A
d) E is a subset of H

Q2. If P is a new set and it is a superset of A and N(P) is the number of  elements in P, the which of the following must be true?
a) N(G) is smaller than only four numbers
b) N(C) is the greatest
c) N(B) is the smallest
d) N(P) is the greatest

Answer
1. d
2. d

November 15, 2011

Call Center Management


A company wants to select a team of four call center executives from its center based in South India for a  transfer to their newly setup center in  north India. The company is managed by professional managers and is very particular about human resources and Personal relations. There are seven team members of equal ability: X, Y and Z are senior and A, B and C are junior. The company requires two senior executives in  a particular team are friendly with each other, in order to maintain team spirit and avoid any personal relation problems in the new centre. The relationship among the seven executives is as follows:
i) Y and A are not friendly.
ii) Z and C are not friendly.
iii) A and B are not friendly.

Q1. If A is on the team, then which other executives must be on the team?
a) X, Y and D
b) X, Z and D
c) X, Z and B
d) X, Z and C

Q2. Which statements must be false?
I. Y and C are never selected together.
II. Z and B are never selected together.
III. Z and D are never selected together.
a) I only
b) I and II only
c) I and III only
d) I, II and III only

Q3. If both Y and Z are selected, which of the executives must be on the team  
with them?
a) Both C and D
b) Only D
c) Bothe B and A
d) Bothe B and D

Answer
1. b
2. d
3. d

November 8, 2011

Round Table Meeting


The production, marketing, human resource, finance and management information system managers of a company meet a round table meeting. Out of five, three are men and two are women. The following restriction apply to their seating arrangement:
(i) the two women will not be seated next to each other.
(ii) The production manager, a man, will always be seated as far as possible from the marketing manager.
(iii) The finance manager will always be seated next to a woman.

Q1. If the human resource manager is a man, which of the following is definitely not true?
a) The marketing manager is sitting in between the two women.
b) The marketing manager is sitting in between two men.
c) The finance manager is a man.
d) The marketing manager is a woman.

Q2. If the finance manager always has a woman to his right, in how many different arrangements can be the marketing manager be a woman?
a) 2
b) 3
c) 4
d) 5

Q3. If the management information system manager is sitting just to the right of the production manager, which of the following statements(s) is/are true?
I) The marketing manager and the finance manager sit next to each other.
II) The human resource manager has to be a woman.
III) The management information system manager must be a man.
a) I only
b) I and II only
c) I and III
d) Only
e) II and III

Answer
1. a
2. b
3. a

November 7, 2011

Clothing Packing


Jivan was going to a business conference outside the country but he was confused when he did pack his clothes. He had the following types of clothing: belts, hats, jackets, ties, vests, T-shirt, and handkerchiefs. But he set up an algorithm to decide the clothes that he would carrying with him.
i) If he packed ties, then he did not pack handkerchiefs.
ii) If he packed belts, then he did not pack jackets.
iii) If he packed belts, then he packed at least one handkerchief.
iv) If he packed jackets, the he packed at least one vest.
v) If he packed vests, then he packed at least one handkerchief.
vi) If he packed handkerchiefs, the he packed at least two of them.

Q1. Which of the following could be a complete list of clothing?
a) One belt, one T-shirt, one vest, two handkerchiefs.
b) One belt, one tie, one T-shirts, three handkerchiefs.
c) Two belts, one tie, three T-shirts.
d) One jacket, one T-shirt, two vests and one handkerchief.

Q2. If Jivan did not pack any handkerchief, what was the maximum number of different types of clothing that he could pack?
a) Two
b) Three
c) Four
d) Five

Q3. Which of the following must be false?
a) Jivan packed exactly three items of clothing, one of which was vest.
b) Jivan packed exactly four items of clothing, one of which was vest.
c) Jivan packed exactly three items of clothing, one of which was handkerchiefs.
d) Jivan packed exactly three items of clothing, one of which was belt.


Answer
1) a
2) b
3) d

November 3, 2011

Shops and Product


Six products, namely U, V, W, X, Y and Z are to be placed in the display windows of a shop. There are six display windows numbered 1, 2, 3, 4, 5 and 6 from left to right in such a way that one product is showcased in one window only. However, U cannot be placed adjacent to V, W must be immediately to the left of X and Z cannot be in window number 6.
Note : the directions (left or right) should be determined with respect to the observer / shopper.

Q1.  Which of the following products CANNOT be placed in window number 1?
a. U
b. V
c. W
d. None of these

Q2. If X is placed in window number 3, in which window can w be placed?
a. 1
b. 2
c. 4
d. 5

Q3. If U is placed in window number 5, which of the following products must be placed in window number 6?
a. V
b. W
c. Y
d. X

October 21, 2011

Family Relation


There are 10 people in a family Krish, Anand, Anita, Hari, Charu, Ramesh, Meenu, Mahesh, Raj and Dhrub. The family consists of 4 generation.
1. Anita, Charu and Meena are female members of the family.
2. Krish has only 2 sons and both  are married.
3. Hari has only one son, Raj who is unmarried.
4. Anita has a son and a daughter. The daughter is married.
5. Anand and Hari are brothers and Dhrub is Krish’s great grandson.
6. Ramesh is from the third generation.

Q1. What is relation between Raj and Dhrub?
1. Father and Son
2. Uncle and Nephew
3. Brothers
4. None of these

Q2. Who is Krish’s granddaughter?
1. Meena
2. Charu
3. Meena or Charu
4. None of these

Q3. Who is Dhruv’s grandmother?
1. Anita
2. Charu
3. Meena and Charu
4. Anyone out of these 3

October 20, 2011

Profession and Cities


Five friends A, B, C, D and E come from five cities Delhi, Mumbai, Kolkata, Chennai and Bangalore. They are either a teacher or a dentist or an athlete or an engineer or an artist and no two people have the same profession.
1. A is not form Chennai.
2. B is from Bangalore.
3. C is not from Kolkata and is not a dentist.
4. D is a teacher from Delhi
5. E is not a dentist.
6. The man from Kolkata is an athlete.

Q1. Who is a dentist if A is an artist?
1. B
2. D
3. E
4. Can’t say

Q2. Which city is A from?
1. Kolkata
2. Mumbai
3. Chennai
4. Can’t say

Q3. What could be E’s profession if he is from Mumbai?
1. Engineer
2. Artist
3. Teacher
4. None of these

Q4. If A is an artist what is the profession of person come form Chennai?
1. Dentist
2. Engineer
3. Athlete
4. None of these

October 13, 2011

Who is vegetarian?

Eight friends A, B, C, D, E, F, G and H belong to different profession come to a restaurant for dinner. Some of them are vegetarian and the rest are non vegetarian. Some points are given below.

1) Four of them are vegetarian.
2) Three among them are women
3) The HR expert and the executive manager have opposite food habit.
4) The bank manager and psychologist have same food habit.
5) The counselor and the entrepreneur are vegetarian.
6) The social worker and E have same food habit.
7) The entrepreneur is a woman and just food habit like B.
8) B is the HR expert.

Now answer the questions.

Q1. Who is definitely vegetarian?
I) Teacher
II) Executive manager
III) Bank manager
IV) Social worker

Q2. Who is definitely non-vegetarian?
I) A
II) H
III) G
IV) E

October 6, 2011

All Time Greatest Rock Act


Six bands - Pink Floyd, Led Zeppelin, Iron Maiden, Megadeth, Rolling Stones and Black Sabbath - are in the running for the "All Time Greatest Rock Act". The bands are given chart positions in 3 countries - USA, UK and Australia - on the basis of decreasing order of record sales in the respective countries. No two bands got the same chart position and no band got the same chart position in any two countries. The following additional information is also known about the chart positions:

I. The band that had the highest chart position in USA, had the lowest chart position in Australia.
II. Sum of the chart positions (in the 3 countries put together) of no two bands is the same.
III. The sum of the chart positions of Pink Floyd is 14 and that of Black Sabbath is 7.
IV. Pink Floyd got a better chart position than Black Sabbath in the UK.
V. Led Zeppelin got a better chart position than Rolling Stones in Australia.
VI. In each of the 3 countries, the record sales of Iron Maiden, Rolling Stones and Pink Floyd, respectively, were in the descending order.

Q1. Who got the third chart position in USA?
(1) Pink Floyd
(2) Led Zeppelin
(3) Iron Maiden
(4) Megadeth
(5) Rolling Stones

Q2. What is the sum of the chart positions (in all the 3 countries put together) of Led Zeppelin?
(1) 15
(2) 13
(3) 12
(4) 11
(5) 9

Q3. Which band has the worst average chart position in UK and Australia put together?
(1) Pink Floyd
(2) Led Zeppelin
(3) Iron Maiden
(4) Megadeth
(5) Rolling Stones

Q4. The bands are given FINAL chart positions in the increasing order of their total of the chart positions of all the countries put together. Suppose the record sales data from USA is not available - how many FINAL chart positions will now be different from when all three countries are taken into account?
(1) 0
(2) 1
(3) 2
(4) 3
(5) 4

Q5. Which band has the highest total record sales in all the countries put together?
(1) Rolling Stones
(2) Black Sabbath
(3) Iron Maiden
(4) Megadeth
(5) Cannot be determined

October 4, 2011

A Sales Representative


A sales representative plans to visit each of six companies—M, N, P, Q, R, and S—exactly once during the course of one day. He is setting up his schedule for the day according to the following conditions: 
1) He must visit M before N and before R.
2) He must visit N before Q.
3) The third company he visits must be P.

Q1. Which of the following could be the order if the sales representative visits the six companies?
(a) M, R, N, Q, P, S
(b) M, S, P, N, R, Q
(c) P, R, M, N, Q, S
(d) P, S, M, R, Q, N

Q2. Which of the following must be true of the sales representative’s schedule for the day?
(a) He visits M before Q
(b) He visits N before R
(c) He visits P before M
(d) He visits P before S

Q3. If the sales representative visits S first, which company must he visit second?
(a) M 
(b) N
(c) P 
(d) Q

Q4. Which of the following could be true of the sales representative’s schedule?
(a) he visits M third
(b) he visits N sixth
(c) he visits R sixth
(d) he visits Q second

Q5. The sales representative could visit any of the following companies immediately after P except:
(a) M 
(b) N
(c) Q 
(d) R

September 21, 2011

Find the Criminals


Eight criminal C1, C2, C3, C4, C5, C6, C7 and C8 are staying in a hotel with their code name E, A, P, N, I, Z, S and W but not in order. They take one floor where have four rooms on each side of a  passage and which face each other.

1) I and A are in the room facing each other.
2) C3’s code name is S and stay between C4 and C7 whose code name are N and Z respectively.
3) C8’c code name is P stays next to C6.
4) C1 and W stay I a corner.

September 16, 2011

Reasoning : Choose Maximum

Five boxes contain varsities colour of balls red, green, yellow, blue, pink, violet. Colour contain of each box is given below.

A -> red, green, blue
B -> red, green, yellow
C -> red, pink, violet
D -> pink, blue, violet
E -> pink, green, blue

You are asked to choose some of boxes but not all so that you get maximum number of all balls, which boxes would you choose?

i) A,B, C
ii) B, C, E
iii) B, D
iv) C, F

September 14, 2011

Reasoning on Instruction Sets

There are three bottles of water A, B, C whose capacities are 5 liters, 3 liters and 2 liters respectively. For transferring water from one bottle to another and to drain out the bottle, there exists a piping system. The flow thorough these pipes is computer controlled. The computer that controls the flow through these pipes can be fed with three types of instructions, as explained below

Instruction type

Explanation of the instruction

FILL (X, Y)

Fill bottles labeled X from the water in bottle labeled Y, where the remaining capacity of X is less than or equal to amount of water in Y.

EMPTY (X,Y)

Empty out the water in bottle labeled X into bottle labeled Y, where the amount of water in X is less than or equal to remaining capacity of Y.

DRAIN (X)

Drain out all the water contained in bottle labeled X.

Initially A is full with water and B and C are empty.

Q1. After executing a sequence of three instruction bottle A contains one liter of water. The first and the third of these instructions is given below

First instruction FILL (C, A)

Third instruction FILL (C,A)

Which of the following statesman about the instruction is true?

i) The second instruction is FILL (B,A)

ii) The second instruction is Empty (C,B)

iii) The second instruction transfer water from B to C

iv) The second instruction involves using the water in bottle A.

Q2. Consider the same sequence of three instructions and the same initial state mentioned above. Three more instructions are added at the end of the above sequence to have A contain 4 liters of water. In this total sequence of six instructions, the fourth one is DRAIN (A). this is the only DRAIN instruction in the entire sequence. At the end of the execution of the above sequence, how much water is contained in C?

i) 1

ii) 2

iii) 0

iv) None of these

September 13, 2011

Audition for a Reality Show

A TV channel arranged an audition for their upcoming reality show “Superstar of India”. After preliminary they call 9 candidates of different categories (e.g Singer, Dancer.. )for final audition from different states in India. Each competitors are marked with unique character and code where the character carries their state’s name and the code their number which is unique. Some other information is given bellow.

1) Ragini is a singer from West Bengal with code no. 13.
2) Among the code no. only 5 and 9 are single digit.
3) Audition started at 1 p.m and every competitors will get 30 minutes to perform
4) Candidates for Haryana give audition at 3:30 p.m.
5) Janaki is from Arunachal Pradesh.
6) 43 no candidate is from Andhra Pradesh.
7) 32 no. candidate is a dancer.
8) Vinit gives audition after Janaki but not last.
9) Candidate code 43 and 14 both are from same state.
10) Maneka’s code is 32.
11) Robin’s code is 45 and Hamida’s code is 14.
12) Vinit is a magician and form Tripura.
13) Candidate from West Bengal and Madhya Pradesh have single digit code.
14) Candidates from same state give audition one after another.

Now answer the questions.

1) Whose code is 14?
A. Ragini
B. Vinit
C. Hamida
D. None of these

2. Who give audition at 4 p.m?
A. Vinit
B. Maneka
C. Ragini
D. None of these

3. Who is another candidate for West Bengal except Ragini?
A. Maneka
B. Hamida
C. None of these
D. Can’t say