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kishor

· started a discussion

· 1 Months ago

there is mistake in solution . (Question: 121429.0 )

72 is wrong beacause a=74

Question:

When 3626 is divided by the square of a number and the answer so obtained is multiplied by 32, the final answer is 2368. What is the number?

Options:
A) 7
B) 36
C) 49
D) 6
E) None of these
Solution:

Ans: (a) Let the required number be x and answer obtained on dividing 3626 by x2 be a.

According to the question, 32 x a = 2368

Therefore, a = 74

x2 = 3626 ÷ 74 = 49

So, x = 7

Knowledge Expert

· commented

· 1 Months ago

Let the required number be x and answer obtained on dividing 3626 by x2 be a.
According to the question, 32 x a = 2368
Therefore, a = 74
x2 = 3626 ÷ 74 = 49
So, x = 7
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