Question
A sum of Rs. 2600 is lent out in two parts in such a way that the interest on one part at 10% for 5 years is equal to that on another at 9% for 6 years. The sum lent out at 10% is:
Answer: Option C
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Let the sum lent at 10% be Rs. a and that lent at 9% be Rs. (2600 - a). Then,
a x 10 x 5
=
(2600 - a) x 9 x 6
100
100
=>
50a = (2600 x 54) - 54a
a =
2600 x
54
= 1350.
104
Sum lent at 10% = Rs. 1350
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