74 9 of 719 99 ndash 2 ndash 40 of 250 01 ........

Quantitative Aptitude(IBPS CL) Approximation

Direction: What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

74.9% of 719.99 – ?² – 40% of 250.01 = $\small \sqrt{1370}$

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Explanation:

74.9% of 719.99 – ?² – 40% of 250.01 = $\small \sqrt{1370}$

By approximation, we get:
75% of 720 – ?² – 40% of 250 = $\small \sqrt{1369}$
⇒ 540 – 100 – 37 = ?²
⇒ ?² = 403
⇒ ? = 20
Hence, option B is correct.

By: Munesh Kumari

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74 9 of 719 99 ndash 2 ndash 40 of 250 01 ........

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