Quant Quiz

1. If the difference between CI and SI on a certain sum of money for 3 years at 5% per annum is Rs. 122, find the sum.

(a) Rs. 12000

(b) Rs. 14000

(c) Rs. 16000

(d) Rs. 18000

(e) None of these

2. At what rate per cent compound interest does a sum of money become sixteen-fold in 2 years?

(a) 200%

(b) 150%

(c) 300%

(d) 400%

(e) 450%

3. If the CI on a certain sum for 2 years at 3% be Rs. 101.50, what would be the SI?

(a)  Rs. 80

(b)  Rs. 90

(c)  Rs. 100

(d)  Rs. 115

(e)  Rs. 125

4. The compound interest on a certain sum for 2 years is Rs. 41 and simple interest is Rs. 40. Find the sum. 

(a) Rs. 200

(b) Rs. 250

(c) Rs. 300

(d) Rs. 400

(e) Rs. 550

5. An amount of money grows upto Rs. 5290 in 2 years and upto Rs. 5819 in 3 years on compound interest. Find the rate per cent. 

(a) 5%

(b) 7%

(c) 9%

(d) 11%

(e) None of these

6. Rs. 4800 becomes Rs. 6000 in 4 years at a certain rate of compound interest. What will be the sum after 12 years?

(a) Rs.9375

(b) Rs. 9457

(c)  Rs. 9575 

(d) Rs. 9300

(e) Rs. 9675

7. What sum of money at compound interest will amount to Rs. 5305.53 in 3 years, if the rate of interest is 1% for the first year, 2% for second year and 3% for the third year?

(a) Rs. 5400

(b) Rs. 5300

(c) Rs. 5210

(d) Rs. 5000

(e) Rs. 5350

8. Find what is that first year in which a sum of money will become more than triple in amount if put out at compound interest at the rate of 10% per annum.

(a) 4th year 

(b) 5th year

(c) 8th year

(d) 10th year

(e) None of these

By hit and trial method, we find that value of t= 12.

Hence, the first year in which a sum of money will become more than triple in amount is 12th year.

9. Divide Rs. 3903 between Amit and Bhuvan, so that Amit’s share at the end of 7 years may equal to Bhuvan’s share at the end of 9 years, compound interest being at 4 per cent. Find Bhuvan’s share

(a) Rs. 1875 

(b) Rs. 1885

(c) Rs. 1855

(d) Rs. 1865

(e)None of these

10. Vardhan obtains a loan of Rs. 32,000 against his fixed deposits. If the rate of interest be 2.5 paise per rupee per annum, calculate the compound interest payable after 3 years.

(a) Rs. 2200 

(b) Rs. 2350 

(c) Rs. 2400.5

(d) Rs. 2460.5

(e) Rs. 2550.5