Half of the poeple on a bus get off at each stop after the first, and no one gets on after the first stop. If only 4 person gets off at stop number 4, how many people got on at the first stop?

Arif and Babu worked together to paint a house. Arif worked for 1 hour 45 minutes and Babu worked for 45 minut...

Of 3,600 employees of a company, 1/3 are clerks. If the clerical staff were to be reduced by 1/3, what percent...

If Kamal gives 20 marbles to Shuvo, then, both of them will have equal numbers of marbles in their possessions...

After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expendit...

A jar contains only marbles of three colors : red, green and yellow. The red and green marbles are in the rati...

A box contains 200 marbles, 25% of which are of black colour. Babu took some marbles from the box found that 3...