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If + means −, − means ×, × means ÷, and ÷ means +, what will come in place of the question mark (?) in the following equation?20 – 4 ÷ 7 + 12 × 4
Question

If + means −, − means ×, × means ÷, and ÷ means +, what will come in place of the question mark (?) in the following equation?

20 – 4 ÷ 7 + 12 × 4 = ?​

A.

80

B.

75

C.

84

D.

90

Correct option is C

Given:
+ → −
− → ×
× → ÷
÷ → +

Question:
20 – 4 ÷ 7 + 12 × 4 = ?

Step 1: Replace the symbols as per given instructions
→ 20 × 4 + 7 − 12 ÷ 4

Step 2: Apply BODMAS rule
= (20 × 4) + 7 − (12 ÷ 4)
= 80 + 7 − 3
= 84

Correct Answer: (C) 84

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