Question

A person invested 2/3
of his capital at 12% simple interest,1/4 at 15% Simple interest and balance of 18% simple interest.
In he earns an interest of Rs 1961 on the whole in 2
years,
what is the persons capital ?

Answer 1

Step-by-step explanation:

Let the capital be Rs.x

Then,

(

3

x

×

100

7

×1)+(

4

x

×

100

8

×1)+(

12

5x

×

100

10

×1)=561

300

7x

+

50

x

+

24

x

=561

51x=561×600

x=6600

Answer 2

Answer:

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