Number Series Completion - Study Mode

[#101] Find the missing term: 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

[#102] Find the missing term: 1, 1, 4, 8, 9, 27, 16, ?
Correct Answer

(B) 64

Explanation

Solution: The series consists of squares and cubes of consecutive natural numbers i.e., 1 2 , 1 3 , 2 2 , 2 3 , 3 2 , 3 3 , 4 2 ................. So, missing term = 4 3 = 64

[#103] Find the missing term: 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

[#104] Find the missing term: 4, 12, 36, 108, ?
Correct Answer

(D) 324

Explanation

Solution: The pattern is × 3 So, missing term = 108 × 3 = 324

[#105] Find the missing term: 2, 8, 16, 128, ?
Correct Answer

(C) 2048

Explanation

Solution: Each term in the series, except the first two terms, is the product of the preceding two terms. So, missing term = 16 × 128 = 2048