NIACL Model Paper 3 with solutions for free online practice

Question : 22 of 100

Marks: +1, -0

When 3,626 is divided by the square of a number and the answer so obtained is multiplied by 32, the final answer obtained is 2,368. What is the number?

7
36
49
6
None of these

Validate

Solution:

(a) Let the number be x
ATQ,

3626/{x^2} ×32= 2368

⇒

x^2={3626×32}/2368=49

∴x=√49=7

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