Question

instead of finding 50% of the numbers Zubin find 15% and get the value which is 140 less find the number​

Answer 1

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Answer 2

Answer: 400

Step-by-step explanation:

Given : 15% of a number which is 140 less than the number

To find : the number

Assuming number to be x

thus 50% of a number = x/2

Thus 15% of the number = 15% of x/2

15/100 x x/2= 3x/20

To find the number

50% of the number - 15% of the number= 140

= x/2 - 3x/20= 140

= 10 - 3x/20 = 140

= 7x = 2800

hence x = 2800/7 = 400

Thus the number is 400.

It was given in the question that Zubin found 15% of the number which was 140 less.

So taking the number as 400, 15% of 400 is 160 which is 140 less than 400.

Hence answer = 400

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