What would be the simple interest obtained on amount of Rs.6,535 at the rate of 10% Percent per annum after 6 years?

Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these metals be mixed so that the mixture may be 15 times as heavy as water?

A tap can fill the tank in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously, the time (in hours) to fill the tank is__.

Rajesh can do a work in 6 days and Vikram can do the same work in 5 days. The contract for the work is of Rs. 3300 . How much shall Vikram get if both of them work together?

If A: B=7: 9 and B:C =5 :6 then value of A:C

Refer the below data table and answer the following question.
Jewellery was what percent of total exports?

Refer the below data table and answer the following questions.
What is the average bonus ( in rupees)?

If x - y = 6 and xy = 40, then  find