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