When a commodity is sold for tk. 49,there is loss of 2%. what is the cost price of the commodity ?

In a sequence of 8 consecutive integers, how much greater is the sum of the last four integers than the sum of...

If x=80%, by what percent is x larger than x^2 ?

The average wage of a worker during a fortnihgt comprising 15 consecutive working days was Taka 90 per day. Du...

A man's regular pay is Taka 30 per hour up to 40 hours. Overtime is twice the payment for regular time. If he...

The length of a rectangle is twice than that of its breadth. If the length of the rectangle is increased by 10...

A can complete a project in 20 days and B can complete the same project in 30 days. A and B start working on t...