Number Series Completion - Study Mode

[#176] Find the missing term: 6, 17, 39, 72, ?
Correct Answer

(C) 116

Explanation

Solution: The pattern is + 11, + 22, + 33,.............. So, missing term = 72 + 44 = 116

[#177] Find the missing term: 66, 36, 18, ?
Correct Answer

(C) 8

Explanation

Solution: Each term in the series is the product of the digits of the preceding term. So, missing term = 1 × 8 = 8

[#178] Find the missing term: 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

[#179] Find the missing term: 165, 195, 255, 285, 345, ?
Correct Answer

(D) 435

Explanation

Solution: Each number of the series is 15 multiplied by a prime number i.e., 15 × 11, 15 × 13, 15 × 17, 15 × 19, 15 × 23,.............. So, missing term = 15 × 29 = 435

[#180] Find the missing term: 1, 4, 10, 22, 46, ?
Correct Answer

(C) 94

Explanation

Solution: The pattern is + 3, + 6, + 12, + 24,............. So, missing term = 46 + 48 = 94