Compound Interest Practice Test 2

Question : 12 of 40

Marks: +1, -0

The CI and SI for a certain sum at 15% rate of interest for 2 years is Rs 426 and 276 respectively. Find the principal.

Solution:

Sum = Difference ×

(100/R)^2

={(426-276)×100×100}/{15×15}

={150×100×100}/{15×15}=6,667

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