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Aptitude Questions: Simplification Set 18

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  1. (67.78)2 + (47.42)2 – (123.98 – 89.09)2 + √289.05= ?2
    A.85
    B.75
    C.55
    D.65
    E.None of these
    Answer & Explanation
    Answer – B.75
    Explanation :
    = 68^2 +47^2 – 35^2+17
    = 4624+2209-1225+17
    =5625
    ?2 = 75*75

  2. 2015.98 + 1275.087 – 175.98 *0.95 + 988.09 = ?
    A.4765
    B.2653
    C.3984
    D.4004
    E.None of these
    Answer & Explanation
    Answer – D.4004
    Explanation :
    = 2016 + 1275– 275.98 *1 + 988
    = 2016+1275-275+988
    =4004

  3. 4/9 × 6/3 + 11/27 – 18/81 = ?
    A.27/23
    B.13/7
    C.29/27
    D.17/21)
    E.None of these
    Answer & Explanation
    Answer – C. 29/27
    Explanation :
    = 4/9 × 6/3 + 11/27 – 18/81
    =4/9 × 6/3 + 11/27 – 6/27
    = 24+11-6/27 = 29/27

  4. 760.8 + 654.90 – 5333.33*0.1 + ?  = 103
    A.117
    B.234
    C.323
    D.479
    E.None of these
    Answer & Explanation
    Answer – A.117
    Explanation :
    761+655 – 533 + x = 1000
    X = 1000 – 883 = 117

  5. 2/5  of 3/7 of 23/11 of ? = 64*3
    A.511
    B.616
    C.409
    D.723
    E.None of these
    Answer & Explanation
    Answer – B.616
    Explanation :
    2/5*3/7*20/11 * x = 192
    X = 192*11*7*5/2*3*20 = 616

  6. √(59*98) + 587.10 – 0.005 *0.2 = ?
    A.764
    B.510
    C.478
    D.662
    E.None of these
    Answer & Explanation
    Answer – D.662
    Explanation :
    = √(59*98) + 587.10 – 0.005 *200
    = 76+587 – 1 = 662

  7. √[(√7396+4√2401)+?2] = 100
    A.7
    B.10
    C.12
    D.14
    E.None of these
    Answer & Explanation
    Answer – C.7
    Explanation :
    86+7 = 93
    100-93 = 7

  8. √440.5 ÷ √0.26 × √290.08 + √1024 = ?
    A.746
    B.594
    C.813
    D.632
    E.None of these
    Answer & Explanation
    Answer – A.746
    Explanation :
    = 21÷0.5×17+32
    = 42*17+32
    =714+32 = 746

  9. 41% of 801 – 150.17 = ? – 57% of 910
    A.697
    B.423
    C.540
    D.328
    E.None of these
    Answer & Explanation
    Answer – A.697
    Explanation :
    328 – 150 = 178
    X – 519 = 178
    X = 697

  10. (39.23)2 + (5.86)2 – (20.02)2 = ?
    A.3235
    B.2750
    C.1157
    D.2176
    E.None of these
    Answer & Explanation
    Answer – C.1157
    Explanation :
    392 + 62 – 202 =  1521+36-400 = 1157





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