if 89 2 is added to the square of a number the answer so obtained is 1 | Examsbook

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Q: 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?

1
5.65
2
2.7
3
3.5
4
6.66

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Answer : 3. "3.5"
Explanation :
Answer: C) 3.5 Explanation: Let the number is = x (89)2 + x2 = 16202 x2 = 8281 x = 91 => (1/26) of 91 = 3.5

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