Question

You have 12,000/- saved amount, and wants to invest it in two schemes yielding 10%
and 15% interest. How much amount should be invested in each scheme so that you
should get overall 12% interest.​

Answer 1

Answer:

ANSWER

Let the amount to be saved at 10% be Rs . x

Let the amount to be saved at % be Rs. y From problem

x+ y = 12000.....(1)

10% of x + 15% of y = 12% of 12000

⇒

100

10

x+

100

15

y=

100

12

×12000⇒10x+15y=144000...(2) Theequation(1)×1010x+10y=12000...(3) 10x+15y=144000(3)−(2)gives −5y=24000⇒y=

5

24000

=4800 Substituteyvaluein(1)x+4800=12000 ⇒x=12000−4800=7200

The amount saved at 10% = Rs. 7200

The amount saved at 15% = Rs. 4800

Step-by-step explanation:

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Answer 2

Answer:

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