What value should come in place of question mark?
a) 3
b) 2
c) 1
d) 5
e) 4
Answer: b)2
[√(64+36)]^? = 100
[√100]^? = 100
[10]^? = 100
[10]^? = [10]^2
? = 2
2 . 35/28×108/144×32=?-36
a) 86
b) 76
c) 46
d) 56
e) 66
Answer: e)66
(5/4) x (3/4) x 32 = ? – 36
30 = ? – 36
? = 66
3 .14% of 300 - 18% of 250 = ?
a) – 4
b) 9
c) 2
d) – 3
e) 10
Answer: d)-3
14% of 300 – 18% of 250 = ?
42 – 45 = ?
? = – 3
a) 10
b) 14
c) 8
d) 12
e) 17
Answer: b)14
512- 343+27 = ?^2
196= ?^2
? = 14
5. [45 X 5 + 54] ÷ 93 = ?
a) 9
b) 11
c) 8
d) 6
e) 3
Answer: e)3
[45 X 5 + 54] ÷ 93 = ?
[225 + 54] ÷ 93 = ?
279 ÷ 93 = ?
? = 3
Find the missing number of the given series.
6. 71, 95, 121, 149, 179, ?
a) 198
b) 211
c) 206
d) 213
e) 219
Answer: b)211
The successive differences are 24, 26, 28, 30, 32
So the next term is 179+32 = 211
7. 27, 27, 54, 162, 648, ?
a) 3240
b) 1939
c) 1909
d) 627
e) 2427
Answer: a)3240
The given series is,
27 x 1 = 27
27 x 2 = 54
54 x 3 = 162
162 x 4 = 648
648 x 5 = 3240
8. 13, 15, 20, 31, 48, ?
a) 75
b) 65
c) 58
d) 64
e) 71
Answer: e)71
The given series is,
13 + 2 = 15
15 + 5 = 20
20 + 11 = 31
31 + 17 = 48
48 + 23 = 71
9. 64, 32, 32, ?, 96, 240
a) 48
b) 80
c) 50
d) 62
e) 36
Answer: a)48
The given series is,
64 x 0.5 = 32
32 x 1.0 = 32
32 x 1.5 = 48
48 x 2.0 = 96
96 x 2.5 = 240
10. 63, 66, 71, 78, 89, ?
a) 84
b) 102
c) 111
d) 110
e) 112
Answer: b)102
The given series is,
63 + 3 = 66
66 + 5 = 71
71 + 7 = 78
78 + 11 = 89
89 + 13 = 102