Q17) A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, then how old is B?

(a) 7

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(b) 8

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(d) 10

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Solution

The correct option is D (d) 10
Ans:17)(d)
Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years.
(2x + 2) + 2x + x = 27
5x = 25
x = 5.
Hence, B's age = 2x = 10 years

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Q17) A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, then how old is B?

The correct option is D (d) 10Ans:17)(d) Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years. (2x + 2) + 2x + x = 27 5x = 25 x = 5. Hence, B's age = 2x = 10 years

The correct option is D (d) 10
Ans:17)(d)
Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years.
(2x + 2) + 2x + x = 27
5x = 25
x = 5.
Hence, B's age = 2x = 10 years