Question

8% of a sum of money is ₹ 16. What is 15% of the same sum?

Answer 1

Answer:





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Question



The simple interest on a certain sum for 8 months at 4% simple interest is Rs 129 less than the simple interest on the same sum for 15 months at 5% per annum. Then the sum is

A

Rs.3,400

B

Rs.3,500

C

Rs.3,600

D

Rs.3,700

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Solution



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Correct option is C)

Let the sum be=x

As per problem,

⇒100×12x×5×15−100×12x×4×8=129

 ⇒120075x−32x=129

⇒43x=154800,

 x=43154800=3600

The sum is Rs.3600

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Answer 2

Answer:

15 percentage of the same