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5 years, 7 months ago
sum of squares of two numbers is 97, then which of the following cannot be their product?
a)64
b)-32
c) 16
d)48
5 years, 3 months ago
We first list down the possible squares.
The squares are of numbers from 1 to 9
They include :
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
The two squares that can give us 97 when added are :
81 and 16
81 + 16 = 97
And the numbers are 4 and 9
The 16, 48 and 64 are multiples of 4.
However - 32 is not a positive multiple of 4.
Hence it is the odd one out.
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