In a 7 storied building seven security officers A, B, C, D, E, F, G start there duty from 9 A.M to 3 P.M. Every floor of the building is not secured every time. Each floor is secured only for 1 hour between that time. Each security officer comes according to there schedule time and take charge of different floor. The floor are named L1, L2, L3, L4, L5, L6, L7 as per there security level.
F takes charge before the time of L1 in charge and after 2 hours of C.
B takes charge before A but after the office in charge L1.
G take charge 2 hours before D.
Officers of L3, L7 and L5 take charge just one after one in an hour interval.
D takes charge at 10 a.m .
Now answer the questions.
1. Who joins at 3 P.M?
I) A
II) B
III) C
IV) D
2. In which time Officer of L3 takes charge?
I) 9 a.m
II) 10 a.m
III) 2 p.m
IV) None of these
3. Who joined L7 floor and when?
I) A / 9 a.m
II) B / 3 p.m
III) D / 1 p.m
IV) None of these