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QFour years ago, the average age of A and B was 20 years. Today, the average age of A, B, and C is 25 years. What will be the age of C after 7 years?

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  • A 32 ✔ ✖
  • B 34 ✔ ✖
  • C 40 ✔ ✖
  • D 42 ✔ ✖
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Explanation

The total age of A and B four years ago: 40 years
The present total age of A and B: 48 years
The present total age of A, B, and C: 75 years
The present age of C: 75 - 48 = 27 years
The age of C after 7 years: 27 + 7 = 34 years.

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