The sum of three alternate even numbers is 24 more than their average. What will be half of the third number in the sequence?
A
12
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B
16
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C
8
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D
14
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E
Cannot be determined
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Solution
The correct option is C 8 Let the three numbers be = (x - 4), x and (x + 4) It is given that x - 4 + x + x + 4 = 3x = x + 24 ⇒ x = 12 Therefore, half of third number will be = 12× 16 = 8