Question

a student multiplied 7236 by 65 instead of multiplying by 56. by how much his answer greater than the correct answer?
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Answer 1

Answer: 65124

Step-by-step explanation:

His incorrect answer = 7236 × 65 = 470340

His correct answer = 7236 × 56 = 405216

His answer is this much greater than the correct answer = 470340-405216 = 65124  

Answer 2

Difference between 65 and 56 i.e (65 – 56) = 9

The difference between the correct and incorrect answer = 7236 × 9 = 65124

Hence, by 65124, the answer was greater than the correct answer