Aptitude Questions: Simplification Set 28

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What should come in place of question mark (?) in the following questions: –

1. 28.217 – 14.241 + 6.873 – 2.434 = ?
   A. 18.167
   B. 16.145
   C. 10.645
   D. 18.415
   E. 15.546
   
   Answer & Explanation

   Answer – D. 18.415
   Explanation :
   = 28.217 – 14.241 + 6.873 – 2.434
   = 35.090 – 16.675 = 18.415
   
   
2. 712 + 92 *0.50 – 83 =?
   A. 646
   B. 675
   C. 688
   D. 645
   E. 697
   
   Answer & Explanation

   Answer – B. 675
   Explanation :
   92 *0.50 = 46
   712 + 46 – 83 = 675
   
   
3. 12% of 450 + x% of 200 = 88
   A. 15
   B. 17
   C. 14
   D. 18
   E. 24
   
   Answer & Explanation

   Answer –B. 17
   Explanation :
   12% of 450 + x% of 200 = 88
   54 + 2x = 88
   2x = 34
   x = 17
   
   
4. 726.34 + 888.12 – ? = 1001.88
   A.634.58
   B.621.58
   C.602.56
   D.654.54
   E.612.58
   
   Answer & Explanation

   Answer – E.612.58
   Explanation :
   726.34 + 888.12 – ? = 1001.88
   x = 612.58
   
   
5. 36.15 + 71.58 + 6.33 + 2.71 = ?
   A. 124.54
   B. 146.42
   C. 108.64
   D. 116.77
   E. 115.24
   
   Answer & Explanation

   Answer –D. 116.77
   Explanation :
   = 36.15 + 71.58 + 6.33 + 2.71 = 116.77
   
   
6. 572 ÷ 26 * 12 – 200 =?
   A. 36
   B. 28
   C. 64
   D.12
   E. None of these
   
   Answer & Explanation

   Answer – C. 64
   Explanation :
   572 ÷ 26 = 22
   22 x 12 = 264 => 264 – 200 = 64
   
   
7. 5466.97 – 3245.01 + 1122.99 = ? + 2309.99
   A. 1039.46
   B. 1034.96
   C. 1032.54
   D. 1038.25
   E. 1022.55
   
   Answer & Explanation

   Answer – B. 1034.96
   Explanation :
   5466.97 – 3245.01 + 1122.99 – 2309.99 = 1034.96
   
   
8. 15.4 * 13.5 * x = 2598.75
   A. 15.2
   B. 15.3
   C. 12.9
   D. 12.5
   E. 19.2
   
   Answer & Explanation

   Answer – D. 12.5
   Explanation :
   15.4 * 13.5 * x = 2598.75
   x = 2598.75/207.9 = 12.5
   
   
9. 7359 + (5.4)² + √? = 7437.16
   A.2350
   B.2401
   C.2530
   D.2553
   E.2535
   
   Answer & Explanation

   Answer – B.2401
   Explanation :
   7359 + (5.4)² + √? = 7437.16
   √? = 7408 – 7359 = 49  => ? = 2401
   
   
10. 6561 ÷ (10.8 * 2.5) ÷ 3 = ?
    A. 61
    B. 71
    C. 81
    D. 45
    E. 58
    
    Answer & Explanation

    Answer – C. 81
    Explanation :
    6561 ÷ (10.8 * 2.5) ÷ 3 = ?
    = 6561 ÷ (27) ÷ 3 = 81