Find the missing term: 0, 3, 8, 15, 24, ? MCQ with Answer and Explanation

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Find the missing term: 0, 3, 8, 15, 24, ?

A. 35

B. 33

C. 34

D. 36

Answer: Option A

Solution (By JKSSB Mock Tests)

The series follows n²-1: 1²-1=0, 2²-1=3, 3²-1=8, 4²-1=15, 5²-1=24, so next is 6²-1=35.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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A person starts walking from a point towards South. After walking 20 m he turns left and walks 15 m. Then he turns left again and walks 20 m. Finally he turns right and walks 10 m. How far and in which direction is he from the starting point?

A. 25 m East

B. 25 m West

C. 25 m North

D. 25 m South

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Correct Answer: Option A

Explanation:
South 20, left (East) 15, left (North) 20, right (East) 10. Net East 15+10=25 m, North-South cancel. 25 m East.

This question belongs to: Reasoning Mental Reasoning

Question #2

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Find the missing term: 100, 95, 85, 70, 50, ?

A. 25

B. 20

C. 35

D. 30

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Correct Answer: Option A

Explanation:
The differences are -5, -10, -15, -20, so the next difference is -25: 50-25=25.

This question belongs to: Reasoning Mental Reasoning

Question #3

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Find the missing term: 1, 4, 10, 22, 46, ?

A. 90

B. 94

C. 92

D. 96

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Correct Answer: Option B

Explanation:
Each term is multiplied by 2 and 2 is added: 1×2+2=4, 4×2+2=10, 10×2+2=22, 22×2+2=46, so next is 46×2+2=94.

This question belongs to: Reasoning Mental Reasoning

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