Question

Amount invested at 6%. = X Rs
Amourd inwasted at 8%. = y Rs
x+y=40000 q
3x+4y= 1,50000




solve the above equation
​

Answer 1

Answer:

Let the amount invested on 4% be Rs. x.

Then remaining amount Rs. (45000−x) invest at rate 6%

Then, according to the question, income from both are equal.

⇒

100

x×4×1

=

100

(45000−x)×6×1

⇒2x=3×45000−3x

⇒5x=3×45000

⇒x= Rs. 27000

∴ Total interest =

100

2×27000×4

= Rs. 2160

∴ Rate of interest =

45000

2160×100

=4.8%

Step-by-step explanation:

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