Fractions

  1. 51.3 + 7.078 +1.38 + 0.9 = ?
    1. 61.668
    2. 59.238
    3. 60.658
    4. None of these
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    51.300 + 7.078 + 1.380 + 0.900

    Correct Option: C

    51.300 + 7.078 + 1.380 + 0.900 = 60.658

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  1. The product of 3.5413 x 2.1 is
    1. 7.44673
    2. 7.43673
    3. 7.53673
    4. None of these
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    For the product of 3.5413 x 2.1
    Consider 35413 x 21 = 743673
    Total decimal places = 4 + 1

    Correct Option: B

    For the product of 3.5413 x 2.1
    Consider 35413 x 21 = 743673
    Total decimal places = 4 + 1
    ∴ 3.5413 x 2.1=7.43673

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  1. [( 3.242 x 14 ) / 100] = ?
    1. 0.045388
    2. 4.5388
    3. 453.88
    4. None of these
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    Multiplying 3.242 x 14=4.5388
    Now divide 4.5388 by 100

    Correct Option: A

    Multiplying 3.242 x 14=4.5388
    Now divide 4.5388 by 100
    So, 4.5388 รท 100= 0.045388
    ∴ Shift the decimal two places to the left as 100

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  1. 9.724 ÷ 100 = ?
    1. 972.4
    2. 9.724
    3. 0.09724
    4. None of these
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    Shift decimal two palaces to the left. i.e 100

    Correct Option: C

    9.724 ÷ 100 = 0.09724
    Shift decimal two palaces to the left. i.e 100

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  1. 5 x 0.25 x 6.301 x 0.00394=?
    1. 0.0310324220
    2. 0.0310324210
    3. 0.0310324250
    4. None of these
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    Total decimal places=(2+3+5) = > 10

    Correct Option: C

    Here 5 x 25 x 6301 x 394=310324250
    Total decimal places = (2+3+5) = 10
    ∴ 5 x 0.25 x 6.301 x 0.00394 = 0.0310324250

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