Question

Geeta inherited Rs15000. She invested part of it at 10% and rest at 8% simple interest. Her annual income from these investments is Rs1500. How much did she invest at each rate?

Answer 1

Answer:

here follow this process

Step-by-step explanation:

Let  

R

s

.

x

was invested @10% and  

R

s

.

(

12000

−

x

)

was invested @12%.

So by the problem

x

×

10

%

+

(

12000

−

x

)

×

12

%

=

1280

⇒

12000

×

12

%

−

x

×

2

%

=

1280

⇒

12000

×

12

−

x

×

2

=

128000

⇒

2

x

=

144000

−

128000

=

16000

⇒

x

=

8000

So  

R

s

.8000

was invested @10% and  

R

s

.

(

12000

−

8000

)

=

R

s

.4000

was invested @12%.

Answer 2

Step-by-step explanation:

If calculation mistakes are there please manage but i have given idea how to solve these questions