Reasoning Puzzles (Calendar and Clocks)- Important for SBI Clerk Exam

Directions:

Read the following information the questions given below :

(i) Khanna transport company operates 7 buses M, N, O, P, Q, R and s once for daily 4 hours sight- seeing tours.

(ii) From Monday to Friday first bus leaves at 8 a.m., after that one bus leaves alternatively after a gap of 45 minutes, followed 30 minutes,again 45 minutes and 35 minutes and so on.
(iii) On Saturday and Sunday, first bus leaves at 7:30 a.m. and others follows regularly after a gap of I Hour.
(iv) Bus 'O' leaves immediately after 'M' and is immediately followed by 'S'.
(v) Bus 'O' is not followed by any other bus.
(vi) Bus 'R' leaves immediately before 'M' but not immediately after 'P'.

1. At what time, 'bus 'M' leaves on Saturday?
(a) 10 a.m.
(b) 9:45 a.m.
(c) 10:30 a.m.
(d) Data inadequate
(e) None of these

Ans 1.

Order in which the buses leave	Leaving Time from Monday to Friday	Leaving Time  on Saturday and Sunday
P	8: a.m.	7:30 a.m.
N	8:45 a.m.	8:30 a.m.
R	9:15 a.m.	9:30 a.m.
M	10 a.m.	10:30 a.m.
Q	10:35 a.m.	11:30 a.m.
S	11:20 a.m.	12:30 a.m.
O	12 noon	1:30 a.m.

2. On Sunday , when bus 'p' completes its tour which of the following buses begins its tour?
(a) Q
(b) S
(c) O
(d)Data inadequate
(e) None of these

Ans 2. Bus P leaves at 7:30 a.m.and completes its four hour sight-seeing tour at 11:30 a.m. Bus Q begins its tour at 11:30 a.m.

3.If the time gap after Bus 'M' leaves on Saturday -Sunday is increased by 30 minutes for the subsequent trips, at what time ,tour of bus 'O' will be completed ?
(a) 3 p.m.
(b) 2 p.m.
(c) 6 p.m.
(d) 7 p.m.
(e) None of these

Ans 3. Bus M leaves at 10:30 am. If time gap of 1 hr is increased by 30 minutes, bus Q will leave at 1 noon; bus S at 1:30 p.m. and bus ) at 3 p.m. bus O will complete its four hour tour at 7 p.m.

4. If the time gap between two buses is uniformly kept as 45 minutes from Monday to Friday, then the beginning of tour of bus 'O' will mark completion of tour of which of the following buses?
(a) N
(b) R
(c) M
(d) Data inadequate
(e) None of these

Ans 4. Bus N will leave at 8:45 a.m. , R at 9:30 a.m., M at 10:15 a.m., Q at 11 a.m., S at 11:45 a.m. and O at 12:30 p.m. 4 hours before 12:30 p.m. is 8:30 a.m. No bus starts at 8:30 a.m.