Practice Test Discussion

Q)

What approximate value should come in place of the question mark (?) in the given questions?

29.8% of 260 + 60.01% of 510-103.57 =?

[CBI (PO), 2011]

    • Explanation

    Given,

    29.8% of 260+ 60.01% of 510-103.57=?

    It can be approximated as

    = 30100×260+60% of 500-100=?

    = 30×2.6+60×5-100

    = 78+300-100

    = 278 ≈ 280

    Hence, option D is correct.

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