If '+' means '÷', '÷' means '×' and '-' means '-', then 18 + 3 ÷ 2 - 5 = ? MCQ with Answer and Explanation

If '+' means '÷', '÷' means '×' and '-' means '-', then 18 + 3 ÷ 2 - 5 = ?
A. 8
B. 9
C. 7
D. 6
Answer: Option C
Solution (By JKSSB Mock Tests)
Using the given substitutions: 18 ÷ 3 × 2 - 5 = 6 × 2 - 5 = 12 - 5 = 7.

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Practice More Mental Reasoning Questions

Question #1
A man walks 3 km north, turns right and walks 4 km, then turns right and walks 3 km. How far is he from the starting point?
A. 3 km
B. 7 km
C. 4 km
D. 5 km

Correct Answer: Option C


Explanation:
After walking north 3 km and later south 3 km, those cancel out. He is 4 km to the east of the starting point.

This question belongs to: Reasoning Mental Reasoning
Question #2
In a code, CRICKET is coded as DSJDLFU. How is HOCKEY coded?
A. IPEKFZ
B. IPDLFY
C. IPDLFZ
D. IQDLFZ

Correct Answer: Option C


Explanation:
Each letter is shifted 1 place forward. H+1=I, O+1=P, C+1=D, K+1=L, E+1=F, Y+1=Z.

This question belongs to: Reasoning Mental Reasoning
Question #3
If APPLE is coded as BQQMF, how is MANGO coded?
A. NBPHP
B. NBOHP
C. NBOHQ
D. NBOIP

Correct Answer: Option B


Explanation:
Each letter is shifted forward by 1: A→B, P→Q, P→Q, L→M, E→F; M→N, A→B, N→O, G→H, O→P gives NBOHP.

This question belongs to: Reasoning Mental Reasoning