Question

This question was asked in upsc can anybody answer it

give it a try

5 - 4 = 23.
8 - 1 = 63.
6 -16 = 32
9 - 9 = 78
3 - 9 = 6
3 - 81 = ?

Explain the logic too
Mind scratching !!

Answer 1

$\bold{Hey \: mate \: here \: is \:your \: ANSWER}$

Yes of course I can
here in question the second number square root is subtracted from the first number square
so
$3 \: - 81 = \\ 3^{2} - \sqrt{81} = \ \\ 9 - 9 = \\0 \\ as \: per \: above \: rule$



$\large{\red{\boxed{\mathbb{HOPE \:IT \:HELPS}}}}$

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Answer 2

Heya mate, Here is ur answer

Thanks for UPSC question!!

5-4 = 23 = 5^2 -√4

=25-2

=23

8-1 = 63 = 8^2 -√1

=64-1

=63

6-16 = 32 = 6^2 -√16

=36 - 4

=32

9-9 = 78 = 9^2 -√9

=81-3

=78

3-9 =6 =3^2 -√9

=9-3

=6

Similarly in the next series we have to take square of first and square root of second.

3-81

=3^2-√81

=9-9

=0

Warm regards

@Laughterqueen

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