Question

5. A boy was asked to multiply a number by 27. But he multiplied by 72 and got his answer 5535 more than correct answer. What was the number which was multiplied ? ਇੱਕ ਲੜਕੇ ਨੂੰ ਇੱਕ ਸੰਖਿਆ ਨੂੰ 27 ਨਾਲ ਗੁਣਾ ਕਰਨ ਲਈ ਕਿਹਾ ਗਿਆ ਸੀ। ਪਰ ਉਸਨੇ 72 ਨਾਲ ਗੁਣਾ ਕਰ ਦਿੱਤਾ ਅਤੇ ਅਸਲ ਉੱਤਰ ਨਾਲੋਂ 5535 ਉੱਤਰ ਜਿਆਦਾ ਆਇਆ । ਉਹ ਕਿਹੜੀ ਸੰਖਿਆ ਸੀ ਜਿਸ ਨੂੰ ਗੁਣਾ ਕੀਤਾ ਗਿਆ ਸੀ ? (a) 124 (b) 122 (c) 123 (d) 125​

Answer 1

Given :   A boy was asked to multiply a number by 27. But he multiplied by 72 and got his answer 5535 more than correct answer.

To Find : What was the number which was multiplied ?

Solution:

Let say Number  was  N

N * 27  = Required result

N * 72  = Required result  + 5535

=> 72N - 27N = 5535

=> 45N  = 5535

=> 9N  = 1107

=> N = 123

Number was 123

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