Question
Of the three numbers, the first is twice the second and is half of the third. If the average of three numbers is 56. The smallest number is:
Answer: Option A
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Second number be x.
First number = 2x
Third number = 4x (2x ×x+4x)/3 = 56
=> 7x = 3 × 56 or x = (3 ×56)/7 = 24
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