Question

Joy invested one third part of his fundsis funds at a rate of 7%,one fourth part at a rate of 8%,and rest part at a rate of 10% lf his annul income is rs.561. Find the total fund he has.

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

Step-by-step explanation:

Joy invested one third part of his fundsis funds at a rate of 7% ... lf his annul income is rs.561. Find the total fund he has. 1.