# Mixed Quantitative Aptitude Questions Set 153

Directions(1-5): What value will come in place of question mark ‘?’ in the following questions.

1. (25)^(2+?) = (625) ÷ 125 × 3125 ÷ 25
1
4
2
3
0
Option E
(25)^(2+?) = (625) ÷ 125 × 3125 ÷ 25
=>(25)^2+? = 625/125 × 3125/25
= 5 × 125 = 625
⇒ (25)^2
=>2 +? = 2
=>? = 0

2. ? × 1.3 × 6.5 = 1.17 × 24.7
4.41
2.12
5.13
3.42
4.11
Option D
? × 1.3 × 6.5 = 1.17 × 24.7
=>? = [117 × 247]/[13 × 65 × 10] = 3.42

3. 8 (1/3) × 2(2/5) +? = 14(1/6) × 3( 3/17)
25
20
13
17
18
Option A
8 (1/3) × 2(2/5) +? = 14(1/6) × 3( 3/17)
=>25/ 3 × 12/5 +? = 85/6 × 54/17
=>5 × 4 + ? =9 × 5
=> ? = 45 – 20
=> ? = 25

4. (?)² ÷ 12.5 = 6.25 × 3.125 ÷ 1.5625
14.4
12.5
13.3
16.8
10.1
Option B
(?)² ÷ 12.5 = 6.25 × 3.125 ÷ 1.5625
(?)² ÷ 12.5 = 6.25 × 3.125 ÷ 1.5625
=> (? )^2 = 6.25 × 3.125 × 12.5 1.5625
=>(? )^2 = 625 × 3125 × 125 15625 × 100
=> (? )^2 = 125 × 125 100
=> (? )^2 = 12.5 × 12.5
=>? = 12.5

5. 55% of 320 + 30% of 1080 = 20 × ?
20
16
25
17
14
Option C
55% of 320 + 30% of 1080 = 20 × ?
=>55/100 × 320 + 30/100 × 1080 = 20 ×?
=>176 + 324 = 20 × ?
=>? = 500/20 = 25

6. Directions(6-10):
Find the missing term ‘?’ of the following series.

7. 2, 7, 28, 63, ?
110
116
104
126
122
Option D
2, 7, 28, 63, ?
1^3 + 1, 2^3 − 1, 3^3 + 1, 4^3 − 1, 5^3 + 1
125 + 1 = 126

8. 1, 2, 4.5, 11, 30, ?
88
80
78
75
93
Option E
× 1 + 1,× 1.5 + 1.5,× 2 + 2,× 2.5 + 2.5,× 3 + 3
=> 30 × 3 + 3 = 93

9. 2, 4, 16, ?, 132, 282
44
47
52
40
56
Option C
2 + (1^2 + 1^3 ), 4 + (2^2 + 2^3 ), 16 + (3^2 + 3^3 ), 52 + (4^2 + 4^3 )
=> 16 + (3^2 + 3^3 ) = 52

10. 6, 7, 24, ?, 882, 7947
115
125
102
98
90
Option B
6 × 1 + 1, 7 × 3 + 3, 24 × 5 + 5, 125 × 7 + 7, 882 × 9 + 9
=> 24 × 5 + 5 = 125

11. 7, 16, -2, 25, ?, 34
−12
−11
−3
−7
−10
Option B
+9, −18, +27, −36, +45
=> 25 − 36 = −11