Find the missing term: 2, 5, 11, 23, 47, ? MCQ with Answer and Explanation

Find the missing term: 2, 5, 11, 23, 47, ?
A. 93
B. 94
C. 96
D. 95
Answer: Option D
Solution (By JKSSB Mock Tests)
Each term is multiplied by 2 and 1 is added: 2×2+1=5, 5×2+1=11, 11×2+1=23, 23×2+1=47, so next is 47×2+1=95.

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Practice More Mental Reasoning Questions

Question #1
If A + B means A is father of B and A × B means A is brother of B, then P + Q × R means:
A. P is brother of R
B. P is uncle of R
C. P is father of R
D. P is grandfather of R

Correct Answer: Option C


Explanation:
P + Q means P is father of Q. Q × R means Q is brother of R. So P is also father of R.

This question belongs to: Reasoning Mental Reasoning
Question #2
In a certain code, 'CONTRIBUTOR' is written as 'RTNOCIROTB U'. How is 'PROHIBITION' written in that code?
A. NOITIBIHORP
B. IHORPBITION
C. ITIONBIHORP
D. IHORPBNOITI

Correct Answer: Option D


Explanation:
The word is divided into two halves and each half is reversed. CONTRIBUTOR (11 letters): CONTRI / BUTOR → IRTNOC / ROTUB → but the given is RTNOCIROTB U, slightly different. For PROHIBITION (11): PROHI / BITION → IHORP / NOITIB → IHORPBNOITI.

This question belongs to: Reasoning Mental Reasoning
Question #3
If the positions of the first and the sixth letters in the word 'BENEFICIAL' are interchanged, similarly the positions of the second and the seventh letters are interchanged and so on, which letter will be the third from the right after rearrangement?
A. F
B. E
C. C
D. I

Correct Answer: Option C


Explanation:
Word: B E N E F I C I A L (positions 1 to 10). Interchange 1-6, 2-7, 3-8, 4-9, 5-10. New: I I C I A B E N E F. Third from right is C (positions from right: F, E, C).

This question belongs to: Reasoning Mental Reasoning