Which two numbers should be interchanged to make the given equation correct? (12 ÷ 3) × 18 − 2 × 4 + 42 ÷ 6 = 69 (Note: Interchange should be done of entire number and not individual digits of a given number)

1. A.3 and 4
2. B.3 and 6
3. C.18 and 12
4. D.2 and 6✓ Correct

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