Number Series Completion - Study Mode

[#196] Find the missing term: 10, 18, 28, 40, 54, 70, ?
Correct Answer

(D) 88

Explanation

Solution: The pattern is +8, +10, +12, +14,........ So, missing term=70+18=88

[#197] Find the missing term: 2, 7, 27, 107, 427, ?
Correct Answer

(B) 1707

Explanation

Solution: The pattern is +5, +20, +80, +320 i.e. +(5 × 1 2 ), +(5 × 2 2 ), +(5 × 4 2 ), +(5 × 8 2 ) So, missing term = 427 + +(5 × 16 2 ) = 427 +1280 = 1707

[#198] Find the missing term: 120, 99, 80, 63, 48, ?
Correct Answer

(A) 35

Explanation

Solution: The pattern is -21, -19, -17, -15, . . . . . . . . So, missing term = 48 - 13 = 35

[#199] Find the missing term: 2, 3, 8, 27, 112, ?
Correct Answer

(D) 565

Explanation

Solution: The pattern is ×1 + 1, × 2 + 2, × 3 + 3, × 4 + 4........... So, the missing term = 112 × 5 + 5 = 565

[#200] Find the missing term: 22, 24, 28, ?, 52, 84
Correct Answer

(A) 36

Explanation

Solution: The pattern is + 2, + 4, + 8, +16,............ So, the missing term = 28 + 8 = 36