Simple Interest Practice Test 2

Question : 16 of 40

Marks: +1, -0

Suman invested an amount of Rs 16,000 at the rate of 8 per cent per annum simple interest and another amount at the rate of 16 per cent per annum simple interest. Find the total amount invested by her, if the total interest earned at the end of one year on the total amount invested becomes 12 per cent per annum.

Rs 31,000
Rs 20,000
Rs 32,000
Rs 30,000
Rs 28,000

Validate

Solution:

Let the second amount be Rs x.
Then,

[{16000×8×1}/100]+({x×16×1}/100)

=[{(16000+x) ×12×1}/100]

1,28,000 +16x= 1,92,000+ 12 x

4x= 64,000

x=16,000

∴ Total investment = 16,000 + x = 16,000 + 16,000 = Rs 32,000

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