# 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