1. A piece of work which could be finished in 9 days was finished 3 days earlier after 10 more men joined.The number of men employed was (b)
a. 18
b. 20
c. 22
d. 24
2. A and B put in Rs 300 and Rs 400 respectively into a business. A reinvests into the business his share of the first year’s profit of Rs 210 whereas B does not.In what should they divide the second year’s profit? (a)
a. 39: 40
b. 40: 39
c. 3: 4
d. 39: 49
3. If a sum of Rs.1000 deposited at compound interest double after 4 years.After 20 years, it will become (d)
a. Rs.20,000
b. Rs 24,000
c. Rs.28,000
d. Rs.32,000
4. How much more would Rs? 20,000 fetch, after two years, if it is put at 20 % p.a. Compound interest payable half-yearly than if it is put at 20% p.a. compound interest payable yearly? (a)
a. Rs. 482
b. Rs. 424
c. Rs. 842
d. Rs. 512
5. If the rate of interest is 4% compounded quarterly. What will be the amount if a man invests Rs. 2000 for 1 year? (b)
a. Rs. 2060
b. Rs. 2081.21
c. Rs. 2100.25
d. Rs. 2125.54
