True Discount

1

Rs. 20 is the rue 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

2

A has to pay Rs. 220  to B after 1 years . B asks A to pay Rs. 110 in cash and defer the payment of Rs. 110 for 2 years. . A agrees to it . If the rate of interest be 10% per annum , in this mode of payment :

A. There is no gain or loss to any one
B. A gains Rs. 7.34
C. A loses Rs. 7.34
D. A gains Rs. 11

3

A owes B, Rs. 1573 payable `1 1/2` years hence . Also B owes A , Rs. 1444.50 payable 6 months , then who should pay and how much  ?

A. A, Rs. 28.50
B. B, Rs. 37.50
C. A, Rs. 50
D. B, Rs. 50

4

A man purchased a cow for Rs. 3000 and sold it the same  day for Rs. 3600, allowing the buyer a credit of 2 years. If the rate of interest be 10% per annum , then the man has a gain of  :

A. 0%
B. 5%
C. 7.5%
D. 10%

5

A man boys a watch for Rs. 1950 in cash and sells it for Rs. 2200 at a credit of 1 year. If the rate of interest is 10% per annum , the man :

A. gains Rs. 55
B. gains 50
C. loses Rs. 30
D. gains Rs. 30