# Quantitative Aptitude: Simplification Questions Set 106

1. Study the following and answer the questions:

(36.14)^2 – (21.28)^2 =?

850
860
865
853
None of these
Option D
(x+y)(x-y)

2. (x)^2 + (123)^2= (246)^2 – (99)^2 – 2462
190
180
175
182
None of these
Option D
x^2 + 15129 = 60516 – 9801 – 2462
x^2 + 15129 = 48253
x^2=33124
x= 182

3. 64^12 / 4^15 = 64^x
6
5
4
7
2
Option D
=64^12-5=7

4. (9.0 / 2 * 27 / 9 ) / (18/7.5 * 5.0 / 4) = ?
5.5
4.0
4.5
3.0
None of these
Option C

5. ( √5 – 2)^2 = x – √80
9
7
6
10
12
Option A
=5+4-4 √5 +4 √5
=9

6. 572.0 / 26 * 12 – 200 = (2)^x
8
4
6
10
None of these
Option C
=22 * 12 – 200 = (2)^x
=264 – 200
=6

7. (755.0% of 523.0) / 777.0 = x
6
4
3
5
9
Option D
=3948.65 / 777.0
=5.08 = 5

8. 3.325 + 3.012 + 0.660 + 31.151 + 0.251 = ?
40.019
35.055
37.514
38.399
None of these
Option D

9. 25 * 3.250 + 50.40 / 24.0 = ?
75
80
77
83
None of these
Option D
=25* 3.250 + 2.1
=81.25 +2.1 = 83.35

10. 5907 – 1296 / 144 = x * 8.0
700.05
705.25
751.54
737.25
None of these
Option D