Exam Maths Puzzle Logical Reasoning

a train 150m long is running with a speed 68kmph.in what time will it pass man who is running at 8kmph in the same direction in which the trainnis going?

Read Solution (Total 1)

L1 = 150, L2 = 0 , S1= 68KM/H , S2 = 8KM/H
let it will pass after T hours

both running in the same direction
therefore, S1-S2 = L1+L2/T
68-8 = 150/T
T = 150/60 = 2.5 HOURS.
7 years agoHelpfull: Yes(2) No(0)

Exam Other Question

b a teacher is trying to form the group of students in such a way that each group has equal number students and that number should be a prime number A plane left half an hour later than the scheduled time and in order to reach its destination 1500 kilometers away in time, it had to increase its speed by 33.33 percent over its usual speed. Find its increased speed.