Find the missing term: 3, 8, 15, 24, 35, ? MCQ with Answer and Explanation

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Find the missing term: 3, 8, 15, 24, 35, ?

A. 46

B. 45

C. 48

D. 50

Answer: Option C

Solution (By JKSSB Mock Tests)

The series follows n² - 1: 2²-1=3, 3²-1=8, 4²-1=15, 5²-1=24, 6²-1=35, so next is 7²-1=48.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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Neeta walks 4 km towards north, turns right and walks 3 km, then turns right and walks 4 km. How far is she from the starting point?

A. 4 km

B. 6 km

C. 3 km

D. 5 km

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Correct Answer: Option C

Explanation:
North 4 km and later south 4 km cancel. She is 3 km to the east of the starting point.

This question belongs to: Reasoning Mental Reasoning

Question #2

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If B is coded as 2, D as 4 and F as 6, then how is J coded?

A. 10

B. 12

C. 8

D. 14

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Correct Answer: Option A

Explanation:
The code is the alphabet position of the letter. J is the 10th letter, so it is coded as 10.

This question belongs to: Reasoning Mental Reasoning

Question #3

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A person starts from a point A and travels 3 km eastwards to B and then turns left and travels thrice that distance to reach C. He again turns left and travels five times the distance he covered between A and B and reaches his destination D. How far is he from the starting point?

A. 21 km

B. 15 km

C. 18 km

D. 12 km

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Correct Answer: Option B

Explanation:
A to B: 3 km East. B to C: 9 km North. C to D: 15 km West. From start: 15-3=12 km West and 9 km North. Distance = √(12²+9²)=15 km.

This question belongs to: Reasoning Mental Reasoning

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