Find the missing term: 10, 20, 40, 80, 160, ? MCQ with Answer and Explanation

Find the missing term: 10, 20, 40, 80, 160, ?
A. 300
B. 240
C. 280
D. 320
Answer: Option D
Solution (By JKSSB Mock Tests)
Each term is multiplied by 2: 10×2=20, 20×2=40, 40×2=80, 80×2=160, so 160×2=320.

Discuss this Question (0)

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

Practice More Mental Reasoning Questions

Question #1
If 'CODE' is written as 'DPEF', then 'JAVA' is written as?
A. KCWB
B. KBVC
C. KBWB
D. KAVB

Correct Answer: Option C


Explanation:
Each letter is shifted forward by 1: C→D, O→P, D→E, E→F; J→K, A→B, V→W, A→B gives KBWB.

This question belongs to: Reasoning Mental Reasoning
Question #2
If 2 is coded as 4, 3 as 9, 4 as 16, then 7 is coded as?
A. 42
B. 49
C. 56
D. 36

Correct Answer: Option B


Explanation:
The code is n²: 2²=4, 3²=9, 4²=16, so 7²=49.

This question belongs to: Reasoning Mental Reasoning
Question #3
Statements: No book is a pen. All pens are pencils. Conclusions: I. No book is a pencil. II. Some pencils are pens.
A. Only II follows
B. Both follow
C. Neither follows
D. Only I follows

Correct Answer: Option A


Explanation:
No book is pen and all pens are pencils does not mean no book is pencil (pencils may include other things). Some pencils are pens follows by conversion. Only II.

This question belongs to: Reasoning Mental Reasoning