What will come in place of the question mark (?) in the following questions ?
For the following questions answer them individually
What will be the compound interest on a sum of Rs. 9000 at compound interest compounded annually at 8% per annum in two years ?
The radius of a circular room is 21 metre. What will be the cost of carpeting the floor at the rate of Rs. 14 per square metre ?
What will be the cost of 14kg of rice bought at Rs. 38 per kg: 25 kg of sugar bought at Rs.19 per kg and 9 kg of salt bought at Rs. 23 per kg ?