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Verbal Reasoning
Series Completion

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40 Q 5 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 1–10 of 40
Topics in Verbal Reasoning
Complete the series: 1, 3, 6, 10, 15, 21, 28, ?
A 34
B 36
C 38
D 40
Correct Answer:  B. 36
EXPLANATION

These are triangular numbers. Each term adds consecutive integers: 1, 1+2=3, 3+3=6, 6+4=10, 10+5=15, 15+6=21, 21+7=28, 28+8=36.

Test
Find the missing term: 2, 6, 12, 20, 30, 42, ?
A 54
B 56
C 58
D 60
Correct Answer:  B. 56
EXPLANATION

Pattern: n(n+1) where n starts from 1. 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42, 7×8=56.

Test
Complete the series: 2, 4, 8, 16, 32, 64, 128, ?
A 256
B 260
C 264
D 270
Correct Answer:  A. 256
EXPLANATION

Powers of 2: 2¹, 2², 2³, 2⁴, 2⁵, 2⁶, 2⁷, 2⁸ = 256

Test
Find missing term: 7, 14, 28, 56, 112, ?
A 200
B 210
C 220
D 224
Correct Answer:  D. 224
EXPLANATION

Each term is multiplied by 2. 112 × 2 = 224

Test
Complete: 1, 1, 2, 3, 5, 8, 13, 21, ?, 55
A 32
B 33
C 34
D 35
Correct Answer:  C. 34
EXPLANATION

Fibonacci sequence: 13 + 21 = 34. Each term is sum of previous two

Test
Find next term: 3, 6, 12, 24, 48, ?
A 72
B 84
C 96
D 108
Correct Answer:  C. 96
EXPLANATION

Each term is multiplied by 2. 48 × 2 = 96

Test
Find the missing term: 1, 4, 9, 16, 25, 36, 49, ?, 81
A 60
B 64
C 68
D 72
Correct Answer:  B. 64
EXPLANATION

Series of perfect squares: 1², 2², 3², 4², 5², 6², 7², 8², 9². Missing term is 8² = 64

Test
Complete the series: 2, 3, 5, 8, 13, 21, 34, ?
A 55
B 56
C 57
D 58
Correct Answer:  A. 55
EXPLANATION

This is a Fibonacci-like series where each term is the sum of the previous two terms. 21 + 34 = 55

Test
Complete the series: 1, 2, 4, 8, 16, 32, 64, ?
A 100
B 108
C 120
D 128
Correct Answer:  D. 128
EXPLANATION

Powers of 2: 2⁰, 2¹, 2², 2³, 2⁴, 2⁵, 2⁶, 2⁷ = 128

Test
Find next term: 4, 9, 16, 25, 36, 49, ?
A 64
B 65
C 66
D 67
Correct Answer:  A. 64
EXPLANATION

Perfect squares: 2², 3², 4², 5², 6², 7², 8² = 64

Test
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