1. 

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%

2. 

The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is:

A. 12%
B.
13 1 %
3
C. 15%
D. 14%

3. 

A man wants to sell his scooter. There are two offers, one at Rs. 12,000 cash and the other a credit of Rs. 12,880 to be paid after 8 months, money being at 18% per annum. Which is the better offer?

A. Rs. 12,000 in cash
B. s. 12,880 at credit
C. Both are equally good
D. Rs. 9560

4. 

If Rs. 10 be allowed as true discount on a bill of Rs. 110 due at the end of a certain time, then the discount allowed on the same sum due at the end of double the time is:

A. Rs. 20
B. Rs. 21.81
C. Rs. 22
D. Rs. 18.33

5. 

A trader owes a merchant Rs. 10,028 due 1 year hence. The trader wants to settle the account after 3 months. If the rate of interest 12% per annum, how much cash should he pay?

A. Rs. 9025.20
B. Rs. 9200
C. Rs. 9600
D. Rs. 9560