Question

a student multiplied 7236 by 65 instead of multiplying by 26 how much was his also better than the correct answer ​

Answer 1

By how many times the student's answer is more than actual answer can be obtained by finding the ratio between the two.

$(7265 \times 65 ) \div (7265 \times 26) \\ = \frac{65}{26} = 2 \frac{13}{26} = 2.5$

$so \\ students \: ans\: = 2.5 \times actual \: ans$