Aptitude Questions: Simplification Set 15

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1. 24.95% of 797.07 ÷ 19.05 = 54.88 – ?
   A.63
   B.45
   C.36
   D.47
   E.None of these
   
   Answer & Explanation

   Answer – B.45
   Explanation :
   25% of 800 ÷ 20 = 25*800/100*20
   = 10
   55-45 = 10
   
   
   
2. 45.05² – 19.28² + √289 =  ?²
   A.39
   B.71
   C.56
   D.41
   E.None of these
   
   Answer & Explanation

   Answer – D.41
   Explanation :
   45²-19² = 2025 – 361 = 1664
   1664+17 = 1681=41*41
   
   
   
3. 1781.90÷54.20 + 456.13 – 2345.80 *0.98 = ? * 2
   A.- 928
   B.988
   C.-876
   D.-675
   E.None of these
   
   Answer & Explanation

   Answer – A. – 928
   Explanation :
   1782÷54+456-2345*1
   = 33+456-2345
   = -1856/2 = -928
   
   
   
4. [√(√65536)+144] = ?
   A.36
   B.17
   C.20
   D.41
   E.None of these
   
   Answer & Explanation

   Answer – C.20
   Explanation :
   √65536 = 256
   √256+144 = √400 = 20
   
   
   
5. (575+7511-467+543)÷(76*0.5+675-342) = √?
   A.456
   B.484
   C.529
   D.625
   E.None of these
   
   Answer & Explanation

   Answer – B.484
   Explanation :
   8161 ÷ (38+675-342)= 8162 ÷ 371 = 22
   √? = 22*22 = 484
   
   
   
6. (5616÷156)×23.67 = ? ÷ 16.78
   A.12388
   B.14336
   C.18644
   D.14688
   E.None of these
   
   Answer & Explanation

   Answer – D.14688
   Explanation :
   36*24 = 864
   864*17 = 14688
   
   
   
7. (50625)^2/4 ÷ (3375)^2/3 = 15^?
   A.1
   B.0
   C.2
   D.3
   E.None of these
   
   Answer & Explanation

   Answer – B.0
   Explanation :
   15^4 = 50625 = (15^4)^2/4 = 15²
   15^3 = 3375
   (15^3)^2/3 = 15²
   15²÷15² = 1
   
   
   
8. 5/19 × 1368 + 3/42 × 1512 = ?
   A.541
   B.486
   C.468
   D.378
   E.None of these
   
   Answer & Explanation

   Answer – C.468
   Explanation : 5*72 + 3*36 = 360+108 = 468
   
   
   
9. 4993.67 ÷ 24.76 – 432.05 + 200.24 = ?
   A.- 32
   B.78
   C.-98
   D.-27
   E.None of these
   
   Answer & Explanation

   Answer – A.- 32
   Explanation :
   5000÷25 = 200
   200+200-432 = 400-432 = -32
   
   
   
10. (2344.65÷4.5-359)/? = 308/28
    A.42
    B.34
    C.25
    D.10
    E.None of these
    
    Answer & Explanation

    Answer – D.10
    Explanation :
    2345÷5 = 469 – 359 = 110
    308/28 = 11
    110/11 = 10
    
    
    

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