A girl was asked to multiply a certain number by 63, but she multiplied it by 36 and got her answer less than the correct answer by 1215. Find the number to be multiplied.

A girl was asked to multiply a certain number by 63, but she multiplied it by 36 and got her answer less than the correct answer by 1215. Find the number to be multiplied. Correct Answer 45

Let the required number be x. By data, 63x – 36x = 1215 ? x = 45. Hence, the number to be multiplied is 45.

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