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The income of A is 32% less than the income of B, and the average income of A and B is 20% less than the income of C. If A’s income increas…

3019Hard DSSSB TGT Computer Science 0 replies 1 views
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The income of A is 32% less than the income of B, and the average income of A and B is 20% less than the income of C. If A’s income increases by 25% and B’s income decreases by 10%, then the income of C is what percentage less than the new total income of A and B?

  • A40%
  • B35%
  • C30%
  • D32%
Correct answer: A

Explanation

Let B = 100, so A = 68 and the average is 84, which is 0.8C, giving C = 105. New A = 85 and new B = 90, total 175. C is (175 − 105)/175 = 40% less.

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