Aptitude - True Discount

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"We cannot solve our problems with the same thinking we used when we created them."

- Albert Einstein

Goods were bought for Rs. 600 and sold the same for Rs. 688.50 at a credit of 9 months and thus gaining 2% The rate of interest per annum is:

16	2	%
	3

14	1	%
	2

13	1	%
	3

15%

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

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 interest is 10% per annum, the man:

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

The true discount on Rs. 1760 due after a certain time at 12% per annum is Rs. 160. The time after which it is due is:

A.	6 months	B.	8 months
C.	9 months	D.	10 months

10.

The present worth of Rs. 2310 due 2 years hence, the rate of interest being 15% per annum, is:

A.	Rs. 1750	B.	Rs. 1680
C.	Rs. 1840	D.	Rs. 1443.75