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    What approximate value should come in place of the question mark (7) in the following equation? 30.01% of 199.99 + 35.023% of 550.045 = ?— 540.078
    Question

    What approximate value should come in place of the question mark (7) in the following equation?
    30.01% of 199.99 + 35.023% of 550.045 = ?— 540.078

    A.

    890

    B.

    580

    C.

    640

    D.

    790

    Correct option is D

    ​Solution:

    30% of 199.99 + 35.023% of 550.045 = ? - 540.078

    => 30.01% of 199.99 + 35.023% of 550.045 = ? - 540.078

    => 0.3001 × 199.99 + 0.35023 × 550.045 = ? - 540.078

    => 60.016999 + 192.64226035 + 540.078 = ?

    => ? = 792.737

    792.737 ~ 790

    Hence, the required value is 790.

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