Aptitude Questions – Simplification Set 31

Hello Aspirants. Welcome to Online Quantitative Aptitude Section with explanation in AffairsCloud.com. Here we are creating question sample in Simplification. We have included Some questions that are repeatedly asked in bank exams !!!

1. 45% of 300 + √? = 56% of 750 – 10% of 350
   A. 260
   B. 62500
   C. 230
   D. 52900
   E. None of these
   
   Answer & Explanation

   Answer – B. 62500
   Explanation :
   45% of 300 + √x = 56% of 750 – 10% of 350
   135 + √x = 420 – 35 => √x  = 250
   x = 62500
   
   
2. [(?)^11/7/50] = [20/(?)^10/7]
   A. 3
   B. 5
   C. 10
   D. 20
   E. None of these
   
   Answer & Explanation

   Answer – C. 10
   Explanation :
   [(?)^11/7/50] = [20/(?)^10/7]
   x³ = 1000
   x = 10
   
   
3. 79296 ÷ √x =112*12
   A. 3481
   B. 3561
   C. 3721
   D. 3969
   E. None of these
   
   Answer & Explanation

   Answer – A. 3481
   Explanation :
   √x = 79296 / 112*12
   √x = 59
   x = 3481
   
   
4. 1637 + 1832 = (45)² + (?)²
   A. 32
   B. 38
   C. 42
   D. 48
   E. None of these
   
   Answer & Explanation

   Answer – B. 38
   Explanation :
   1637 + 1832 = (45)² + (?)²
   (?)² = 3469 – 2025 = 1444 => x = 38
   
   
5. 13498 + 8932 – 1159 = ? * 89
   A. 289
   B. 271
   C. 239
   D. 261
   E. None of these
   
   Answer & Explanation

   Answer – C. 239
   Explanation :
   13498 + 8932 – 1159 = ? * 89
   x * 89 = 21271 => x = 239
   
   
6. (37685 + 29452 – 41897) ÷ 250 = ?
   A. 102.56
   B. 118.96
   C. 100.96
   D. 112.76
   E. None of these
   
   Answer & Explanation

   Answer –C. 100.96
   Explanation :
   (37685 + 29452 – 41897) ÷ 250
   = 25240 ÷ 250 = 100.96
   
   
7. 75 / ? = ? / 147
   A. 175
   B. 125
   C. 115
   D. 135
   E. None of these
   
   Answer & Explanation

   Answer – E. None of these
   Explanation :
   x² = 75 * 147 => x = 105
   
   
8. (32.4 * 8 * 5 + 4) ÷ 26 + 14 = (?)² 
   A. 8
   B. 2
   C. 18
   D. 12
   E. None of these
   
   Answer & Explanation

   Answer – A. 8
   Explanation :
   32.4 * 8 * 5 + 4 = 1300
   1300 ÷ 26 + 14 = 64 => x = 8
   
   
9. √(12 * 145 ÷ 6 + 34) = ?
   A. 18
   B. 28
   C. 63
   D. 73
   E. None of these
   
   Answer & Explanation

   Answer – A. 18
   Explanation :
   √(12 * 145 ÷ 6 + 34)
   = √(290 + 34)
   = 18
   
   
10. 5670 ÷ (28*13.5) = ? 
    A. 25
    B. 35
    C. 15
    D. 45
    E. None of these
    
    Answer & Explanation

    Answer – C. 15
    Explanation :
    5670 ÷ (28*13.5)
    = 5670 ÷ 378 = 15