Question

If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number?
A) 5.65
B) 2.7
C) 3.5
D) 6.66

Answer 1

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Answer 2

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Here is your answer.
Let the number is x
ATQ
$(89) {}^{2} + x {}^{2} = 16202 \\ x {}^{2} = 16202 - 7921 \\ x {}^{2} = 8281 \\ x = \sqrt{8281} \\ x = 91$
Now we find
$\frac{1}{26} \times 91 \\ = 3.5$

Option (C) 3.5 is your answer
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