App Logo

No.1 PSC Learning App

1M+ Downloads
Amit & Sumit start walking from same point in opposite directions at the speed of 6 km/h and 4 km/h, respectively. How far will they be from each other after 4 hours?

A50 km

B35 km

C40 km

D90 km

Answer:

C. 40 km

Read Explanation:

Relative speed(For opposite direction) = x + y = 6 + 4 = 10 km/h Distance = Speed x Time = 10 x 4 = 40 km


Related Questions:

Determine the length of a train T if it crosses a pole at 60 km/hr in 30 sec :
A car travelling 25 km/hr leaves Chennai at 9am and another car travelling 35 km/hr starts at 2pm in the same direction. Howmany kilometer away from Chennai will they he together.
A person can complete a journey in 9 hours. He covers the first one-third part of the journey at the rate of 35 km/h and the remaining distance at the rate of 28 km/h. What is the total distance (in km) of his journey?
In covering a distance of 56 km, Anirudh takes 5 hours more than Burhan. If Anirudh doubles his speed, then he would take 2 hour less than Burhan. Anirudh's speed is:
A teacher driving his vehicle at 24 kmph, reaches her school 5 minutes late. If she had driven the vehicle 25% faster on an average she would have reached 4 minutes earlier than the scheduled time. How far is her school ?