Series Completion - Study Mode

[#156] 325, 259, 204, 160, 127, 105, ?
Correct Answer

(A) 94

Explanation

Solution: The pattern is - 66, - 55, - 44, - 33, - 22, ..... So, missing term = 105 - 11 = 94.

[#157] 4, 7, 12, 19, 28, ?
Correct Answer

(C) 39

Explanation

Solution: The pattern is + 3, + 5, + 7, + 9, ..... So, missing term = 28 + 11 = 39.

[#158] 5760, 960, ?, 48, 16, 8
Correct Answer

(C) 192

Explanation

Solution: The pattern is ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2. So, missing term = 960 - 5 = 192.

[#159] 45, 54, 47, ?, 49, 56, 51, 57, 53
Correct Answer

(C) 55

Explanation

Solution: The given sequence is a combination of two series: I. 45, 47, 49, 51, 53 and II. 54, ?, 56, 57 Clearly, II consists of consecutive natural numbers, starting from 54. So, missing term = 55.

[#160] 10, 14, 26, 42, 70, ?
Correct Answer

(D) 114

Explanation

Solution: Each term in the series, except the first two terms, is 2 more than the sum of the preceding two terms. So, missing term = (42 + 70) + 2 = 114.