the interest on rs 750 for 2 years is the same as..., Discount, General Mathematics

Question:The interest on Rs.`750` for `2` years is the same as the true discount on Rs.`960` due `2` years hence. If the rate of interest is the same in both cases, it is :

A `12%` 
B `14%` 
C `15%` 
D `16 2/3%`

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+ AnswerB

+ ExplanationS.l. on Rs.`750 T.D. on Rs. 960.`

This means p.w. of Rs.`960. due `2` years hence is `Rs. 750.`

`:. T.D. = Rs. (960 - 750)`

`= Rs. 210.`

Thus, S.l on Rs.`750` for `2` years is Rs.`210`

:. Rate` = ((100 xx 210)/(750 xx 2))%`

`= 14%`

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