What Number was Multiplied? If

A boy was asked to multiply a certain number by 25. He multiplied it by 52 and got the answer more than the correct one by 324. The number to be multiplied was-

  1. 12
  2. 15
  3. 17
  4. 25
Harsh Vardhan Professor Asked on 27th July 2015 in Maths.
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1 Answer(s)

Answer: (1) 12
Explanation:-
Let the number to be multiplied was X.
According to the question,
X  x 52 – X x 25 = 324
52 X – 25 X = 324
27 X = 324
X = 324/27
X = 12
Hence, the answer is (1) 12.

Anurag Mishra Professor Answered on 27th July 2015.
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