In how many days, men Lal, Bal and Pal together can finish the same piece of work
Statement I: Lal and Bal can together finish the same piece of work in 12 days. Bal and Pal together can finish the same piece of work in 24 days. pal and lal can finish the same piece of work in 20 days.
Statement II: The time taken by lal alone to finish the same piece of work is 48 days less than time taken by pal alone to finish the same piece of work:
From statement I: 2 (lal + bal + pal) =1/12 + 2/24 + 1/20 From this we can find (lal + bal + Pal)’s one day’s of work From statement II: No such result can be concluded
Two person A and B started from same place and in same direction with speed of 48km/hr and 40km/hr respectively .The speed of person B increased by &fra...
Two cars X and Y start from two places A and B respectively which are 800 km apart at 8 a.m. Both the cars run at an average speed of 50 km/hr towards e...
A car running with a speed of 65 km/hr takes 12 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it tak...
Axar covered 1/4th of the total distance at a speed of 25 km/hr. Then, he covered (1/2) of the remaining distance at a speed of 30 km/hr, and the rest o...
An Aeroplane flies along a Square field @ 50, 100, 200 and 400 km/hours respectively. Then find the Average speed of the aeroplane during the whole jour...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 25 km/hr and 20 km/hr, respectively. If the distance covered by ‘Aâ...
A train running at the speed of 35 metre per second crosses a bridge in 30 seconds. Another which is 130 metre shorter than the previous train crosses t...
A driver of an army truck sees an ambulance 80 meters ahead of him. After 10 seconds the ambulance is 70 m behind. If the speed of the truck is 104kmph,...
In a 1500 m race, Anil beats Bakul by 150 m and in the same race Bakul beats Charles by 75 m. By what distance does Anil beat Charles?
A driver of truck sees an ambulance 160 meters ahead of him. After 20 seconds the ambulance is 140 meters behind. If the speed of the truck is 80 kmp/h,...