Series Completion - Study Mode

[#131] 0, 2, 3, 5, 8, 10, 15, 17, 24, 26, ?
Correct Answer

(D) 35

Explanation

Solution: The given sequence is a combination of two series : I. 0, 3, 8, 15, 24, ? and II. 2, 5, 10, 17, 26 The pattern in each one of I and II is + 3, + 5, + 7, + 9, ..... So, missing term = 24 + 11 = 35.

[#132] 11, 13, 17, 19, 23, 25, ?
Correct Answer

(C) 29

Explanation

Solution: The pattern is + 2, + 4, + 2, + 4, ..... So, missing term = 25 + 4 = 29.

[#133] 5, 2, 7, 9, 16, 25, ?
Correct Answer

(A) 41

Explanation

Solution: Each term in the series, except the first two terms, is the sum of the preceding two terms. So, missing term = 16 + 25 = 41.

[#134] 7, 26, 63, 124, 215, 342, ?
Correct Answer

(D) 511

Explanation

Solution: The terms of the given series are (2 3 - 1), (3 3 - 1), (4 3 - 1), (5 3 - 1), (6 3 - 1), (7 3 - 1),..... So, missing term = (8 3 - 1) = (512 - 1) = 511.

[#135] 3, 12,27,48, 75, 108,?
Correct Answer

(A) 147

Explanation

Solution: The terms of the given series are 3 x l 2 , 3 x 2 2 , 3 x 3 2 , 3 x 4 2 , 3 x 5 2 , 3 x 6 2 ,..... So, missing term = 3 x 7 2 = 3 x 49 = 147.