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The difference between simple interest on a certain sum at the annual rate of 11 percent for 8 years and 9 years is Rs. 132. What is the su…

358557Medium DSSSB TGT Computer Science 0 replies 0 views
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The difference between simple interest on a certain sum at the annual rate of 11 percent for 8 years and 9 years is Rs. 132. What is the sum?
  • ARs. 1300
  • BRs. 1200
  • CRs. 1100
  • DRs. 1450
Correct answer: B

Explanation

The extra interest for the 9th year alone is Rs. 132, which is 11% of the sum. So the sum = 132 × 100 ÷ 11 = Rs. 1200.
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