Math, asked by gamersindia90, 6 months ago

Example 3:
Find the S.I. on * 900 lent on August 10 and received back on October 22 of the
3
same year, the rate being 8-% p.a. (per annum).
4​

Answers

Answered by kalpanaitikala1988
5

Answer:

Let the sum lent at 10% p.a. be Rs. x.

Then, the sum lent at 7% p.a. is Rs. (1500−x).

Then according to the question, we have

100

x×10×3

+

100

(1500−x)×7×3

=396

100

30x

+315−

100

21x

=396

100

9x

=81

⇒x=

9

81×100

= Rs. 900

Hence sum lent at 10% p.a is Rs. 900

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