Quantitative Aptitude
A certain sum is to be divided between A,B and C in the ratio 2:5:7. But by mistake, it was divided in the ratio 5:2:7. Thus B loses by Rs.150. Find the sum.
The average weight of 20 students of a class was 30.5 kg. After 6 new students joined the class, its average weight increased by 2 kg. Find the average weight of the 6 new students who joined the class (rounded off to one decimal place).
Surjeet alone can finish an asignment in 8 days and Manjeet alone can finish the same assignment in 6 days. Surjeet and Manjeet decided to do this assignment by working on alternate days, starting with Surjeet. In how many days will the assignment be finished?
Two trains of equal length are running on parallel lines in the same direction at 36kmph and 54 kmph. The faster train passes the alower train in 48 seconds. The length of each train (in m) is:
