Question

classmate
Date
Page 6
you you have to replace the digit
8 in the numbers 5487952
and 798556 such that their sum
becomes 6231508. By which digit
would you like to replace 8​

Answer 1

Given : Two numbers 5487952 and 798556  and we need to replace 8 by some  digit to get sum 6231508

To find : Digit by Which 8 to be replaced to get sum 6231508

Solution:

  5487952

+  798556

_________

  6286508

We need to replace 8 by some digit to get

Sum 6231508

  6286508 - 6231508 = 55000

=> Sum would be reduced by 55000

Currently Values of 8 are

80000  & 8000

=> 88000 - 55000

= 33000

= 30000 + 3000

Hence 8 should be replaced by 3

  5437952

+   793556

_________

  6231508

8 Would be replaced by 3

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