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Out of three numbers, the first is twice the second and is half of the third. If the average of three number is 56, the three number in order are?

48, 96, 24
48, 24, 96
96, 24, 48
96, 48, 24

Correct Answer: 48, 24, 96

Explanation:

Let second number = x
So, first number = 2x and third number= 4x
∴ ( x + 2x + 4x ) / 3 = 56
⇒ 7x = 168
⇒ x = 24
So the numbers are 48,24, 96,

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