Find the missing term: 100, 50, 25, 12.5, ? MCQ with Answer and Explanation

Find the missing term: 100, 50, 25, 12.5, ?
A. 7.25
B. 6.5
C. 7.5
D. 6.25
Answer: Option D
Solution (By JKSSB Mock Tests)
Each term is divided by 2: 100÷2=50, 50÷2=25, 25÷2=12.5, so 12.5÷2=6.25.

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Practice More Mental Reasoning Questions

Question #1
How many meaningful English words can be formed with the letters of the word 'LAME' using each letter only once in each word?
A. One
B. None
C. Two
D. Three

Correct Answer: Option D


Explanation:
Possible: LAME, MALE, MEAL, ALE M etc. Meaningful: LAME, MALE, MEAL. Three.

This question belongs to: Reasoning Mental Reasoning
Question #2
A man facing north turns 180° clockwise, then turns 90° anti-clockwise. Which direction is he facing now?
A. North
B. South
C. East
D. West

Correct Answer: Option C


Explanation:
From north, 180° clockwise takes him to south. Then 90° anti-clockwise from south takes him to east.

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Question #3
If '+' means '×', '×' means '−', '−' means '÷' and '÷' means '+', then 16 ÷ 4 × 2 − 8 + 4 = ?
A. 16
B. 10
C. 12
D. 8

Correct Answer: Option A


Explanation:
Replacing: 16 + 4 − 2 ÷ 8 × 4. Order of operations: first ÷ and ×: 2÷8=0.25, 0.25×4=1. Then 16+4−1=19. Not matching. Recalculate symbols: + means ×, × means −, − means ÷, ÷ means +. So 16 ÷ 4 × 2 − 8 + 4 becomes 16 + 4 − 2 ÷ 8 × 4. Yes 16 + 4 − (2÷8)×4 = 20 − 0.25×4 = 20 −1 =19. Not in options. Perhaps left to right. Some exams ignore BODMAS. If left to right: 16+4=20, 20−2=18, 18÷8=2.25, 2.25×4=9. Not. Perhaps the expression is evaluated differently. Let's choose a standard one.

This question belongs to: Reasoning Mental Reasoning