512
Q:

# 8, 15, 28, 53, ?, 199

 A) 101 B) 102 C) 103 D) 104

Explanation:

Here the series of the form is

53 x 2 - 4 = 106 - 4 = 102

Q:

Select the set in which the numbers are related in the same way as are the numbers of the following set.
(5, 7, 11)

 A) (15, 17, 23) B) (14, 16, 18) C) (23, 29, 31) D) (17, 19, 21)

Explanation:

25 1808
Q:

Which number will replace the question mark (?) in the following series?

20, 10, 10, 15, 30, ?

 A) 90 B) 75 C) 60 D) 45

Explanation:

23 3494
Q:

Which of the following sequence of signs will correctly solve the given equation by replacing the question marks ?

1105 ? 65 ? 835 ? 25 ? 5 = 727

 A) ÷, +, −, × B) +, ÷, −, × C) +, −, ×, ÷ D) ×, −, +, ÷

Explanation:

7 1206
Q:

Which number will replace the question mark (?) in the following series?

25, 42, 67, 101, 145, ?

 A) 200 B) 202 C) 199 D) 201

Explanation:

17 2853
Q:

Select the set in which the numbers are related in the same way as are the numbers of the following set.
(8, 112, 28)

 A) (14, 364, 52) B) (12, 216, 34) C) (16, 282, 36) D) (18, 216, 22)

Explanation:

11 1212
Q:

Which number will replace the question mark (?) in the following series?
77, 92, 125, 178, 253, ?

 A) 350 B) 351 C) 352 D) 353

Explanation:

10 5102
Q:

Select the set in which the numbers are related in the same way as are the numbers of the following set.
(64, 7, 27)

 A) (127, 15, 161) B) (216, 15, 64) C) (343, 18, 125) D) (216, 11, 125)

Explanation:

10 883
Q:

Which number will replace the question mark (?) in the following series ?

12, 22, 42, 72, ?

 A) 102 B) 112 C) 92 D) 122