question:A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/3 hours to fill the tank. The leak can drain all the water of the tank in?
Options:
(A) 4 1/3 hrs
(B) 7 hrs
(C) 8 hrs
(D) 14 hrs
(E) 15 hrs
answer:(D)
Stream of consciousness:Work done by the tank in 1 hour = (1/2 - 1/3) = 1/14 Leak will empty the tank in 14 hrs.

question:3 candidates in an election and received 1136, 7636 and 11628 votes respectively. What % of the total votes did the winningcandidate got in that election?
Options:
(A) 45%
(B) 50%
(C) 57%
(D) 60%
(E) 65%
answer:(C)
Stream of consciousness:Total number of votes polled = (1136 + 7636 + 11628) = 20400
So, Required percentage = 11628/20400 * 100 = 57%

question:How long does a train 110 m long traveling at 60 kmph takes to cross a bridge of 390 m in length?
Options:
(A) 18.9 sec
(B) 88.9 sec
(C) 22.9 sec
(D) 30.00 sec
(E) 72.0 sec
answer:
(D)
Stream of consciousness:D = 110 + 390 = 500 m
S = 60 * 5/18 = 50/3
T = 500 * 3/50 = 30 sec