Question

If 2 by 5 of a number exceeds 1 by 7 of the same number by 36.Find the number​

Answer 1

Answer: 140

Step-by-step explanation:

Let the number be x.

2/5 of that no:  2x/5

1/7 of that no:    x/7.

According to the question:

2x/5-x/7=36

or,(2x*7-x*5)/35=36

or,(14x-5x)/35=36

or,9x/35=36

or,x=36*35/9

=140

Ans: The number is 140.

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Answer 2

The answer is found using linear equation method

Answer: 140