21. If Rs. 10 be allowed as true discount on bill of Rs. 110 due at the end of a certain time, then the discount allowedon the same sum due at the end of double the time is:
A. 16
B. 18.33
C. 20.21
D. 26
22.A man buys a watch for Rs.1950 in cash and sells it for Rs.2200 at a credit of 1 year. If the rate of interests is 10% per annum, the man
A. gain Rs.55 B. gain Rs.30
C. loses Rs.30 D. gains Rs.50
23.The true discount on a bill due 9 months hence at 16% per annum is Rs. 189. The amount of the bill is:
A. Rs. 1386
B. Rs. 1764
C. Rs. 1575
D. Rs. 2268
24. Rs. 20 is the true discount on Rs. 260 due after a certain time. What will be the true discount on the same sum due after half of the former time, the rate of interest being the same?
A. Rs. 10
B. Rs. 10.40
C. Rs. 15.20
D. Rs. 13
25.The simple interest and the true discount on a certain sum for a given time and at a given rate are Rs. 85 and Rs. 80 respectively. The sum is
A. Rs.1800
B. Rs.1450
C. Rs.1360
D. Rs.6800
26.A trader owens a merchant Rs.10,028 due 1` year hence. The trader wants to settle the account after 3 months.If the rate of interest is 12% per annum , how much cash should he pay?
A. Rs.9025.20
B. Rs.9200
C. Rs.9600
D. Rs.9560
27.The true discount on Rs.2562 due 4 months hence is Rs.122. The rate percent is
A. 12 % B. 13 %
C. 15 % D. 14 %
28.) The profit earned by selling an article for Rs 900 is double the loss incurred when the same article is sold for Rs 490. At what price should the article be sold to make 25% profit?
A. 550% B. 650%
C. 750% D. None of these
29.The present worth of Rs. 2310 due 2 1/2 years hence, the rate of interest being 15% per annum, is:
A. Rs.1680 B. Rs.1750
C. Rs.1840 D. Rs.1443.75
30 .The present worth of Rs. 1404 due in two equal half-yearly installments at 8% per annum simple interest is:
A. Rs. 1325
B. Rs. 1300
C. Rs. 1350
D. Rs. 1500
