Amit gave his friend Rs. 11000. This was to be repaid in 2 yearly installments with a rate of interest of 20% compounded annually. How much would be the value of each installment?

The price of apple is first increased by 10% and then decreased by 10%. What is the change in the price of apple?

A. 1.11%

B. 3.5%

C. 5%

D. 1%

The population of a city is 50,000 at present. It increases at the rate of 10% per annum. What will be its population 3 yr from now?

A. 67,250

B. 65,550

C. 60,500

D. 66,550

Income ratio of Ramesh and Suresh is 5:6. Their spending ratio is 7:9. Ramesh saves 4000 and Suresh saves 3000. Income and spending respectively of Ramesh and Suresh are

A. Ramesh - 25000, 21000; Suresh – 30000, 27000

B. Ramesh - 36000, 32000; Suresh – 30000, 27000

C. Ramesh - 30000, 27000; Suresh – 36000, 32000

D. None of the above

In 40 years an amount becomes 6 times the original amount. What is the rate of interest?

A. 12.5%

B. 24%

C. 6.67%

D. 34%

How much money invested at compound interest will yield Rs. 6350.40 at the end of 3 years? For the first year the rate of interest is 5%; for second year it increases to 12% and for third year it decreases to 8%.

A. Rs. 5800

B. Rs. 5500

C. Rs. 6000

D. Rs. 5000