Find the missing term: 2, 3, 5, 7, 11, ? MCQ with Answer and Explanation

Find the missing term: 2, 3, 5, 7, 11, ?
A. 13
B. 17
C. 15
D. 12
Answer: Option A
Solution (By JKSSB Mock Tests)
The series contains consecutive prime numbers: 2, 3, 5, 7, 11, and the next prime is 13.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Mental Reasoning Questions

Question #1
One morning, a boy starts walking towards the sun. After some distance he turns right, then turns right, then turns left. In which direction is he now walking?
A. West
B. North
C. East
D. South

Correct Answer: Option D


Explanation:
In the morning the sun is in the east. East → right(South) → right(West) → left(South). So he is walking south.

This question belongs to: Reasoning Mental Reasoning
Question #2
If 'A $ B' means A is the father of B; 'A # B' means A is the mother of B; 'A * B' means A is the sister of B, then in 'P $ Q # R * S', how is S related to P?
A. Daughter
B. Grandson
C. Granddaughter
D. Cannot be determined

Correct Answer: Option D


Explanation:
P is father of Q. Q is mother of R. R is sister of S. So S is child of Q, grandchild of P, but gender of S not known. Cannot be determined.

This question belongs to: Reasoning Mental Reasoning
Question #3
ACE : GIK :: MOQ : ?
A. SUV
B. RTV
C. SUW
D. RTU

Correct Answer: Option C


Explanation:
Each letter is shifted 6 places forward. M+6=S, O+6=U, Q+6=W, so MOQ becomes SUW.

This question belongs to: Reasoning Mental Reasoning