A and B can do a piece of work in 5 days; B and C can do it in 7 days; A and C can do it in 4 days. Who among these will take the least time if put to do it alone?

A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14%...

The simple interest on a certain sum of money at the rate of 5% p.a. for 8 years is Tk. 840. At what rate of i...

In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?

Find the greatest number that will divide 43,91, and 183 so as to leave the same remainder in each case.

In a business, A and C invested amounts in the ratio 2:1,whereas the ratio between amounts invested by A and B...

Which one of the following is not a prime number ?