A boy is asked to multiply a certain number by 25 he multiples or by 52 and gets his answer more than the correct one by 324. The number to be multiplied was :

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Solution

Let that certain number be x,then
52 x = 324 + 25 x
=> 52 x - 25 x = 324
=> 27 x = 324
= >x = 324 / 27
=>x = 12

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A boy is asked to multiply a certain number by 25 he multiples or by 52 and gets his answer more than the correct one by 324. The number to be multiplied was :

Let that certain number be x,then 52 x = 324 + 25 x => 52 x - 25 x = 324 => 27 x = 324 = >x = 324 / 27 =>x = 12

Let that certain number be x,then
52 x = 324 + 25 x
=> 52 x - 25 x = 324
=> 27 x = 324
= >x = 324 / 27
=>x = 12