Find the next term in the series: 2, 6, 12, 20, 30, ? MCQ with Answer and Explanation

Find the next term in the series: 2, 6, 12, 20, 30, ?
A. 44
B. 40
C. 42
D. 46
Answer: Option C
Solution (By JKSSB Mock Tests)
The series follows the pattern of adding consecutive even numbers starting from 4: 2+4=6, 6+6=12, 12+8=20, 20+10=30, 30+12=42. Alternatively, n(n+1): 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42.

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Practice More Logical Reasoning Questions

Question #1
In a class of 60, P is 25th from the top and Q is 30th from the bottom. How many students are between P and Q?
A. 5
B. 6
C. 4
D. 3

Correct Answer: Option A


Explanation:
P's position from bottom = 60−25+1 = 36. Between = 36−30−1 = 5.

This question belongs to: Reasoning Logical Reasoning
Question #2
Find the next term in the series: 1, 5, 13, 29, ?
A. 69
B. 58
C. 64
D. 61

Correct Answer: Option D


Explanation:
1×2+3=5, 5×2+3=13, 13×2+3=29, 29×2+3=61.

This question belongs to: Reasoning Logical Reasoning
Question #3
Statements: All fruits are vegetables. All vegetables are plants. Conclusions: I. All fruits are plants. II. Some plants are fruits.
A. Neither follows
B. Only I follows
C. Only II follows
D. Both follow

Correct Answer: Option D


Explanation:
All fruits vegetables + all vegetables plants → all fruits plants. Hence some plants are fruits also follows.

This question belongs to: Reasoning Logical Reasoning