General Studies · Mathematical Operations
Which of the following equations is correct when the numbers 3 and 9 are interchanged and the signs '-' and '×' are interchanged?
- 19 ÷ 4 × 3 + 1 - 6 = 18
- 29 ÷ 2 × 1 - 3 + 5 = 15
- 31 - 9 × 10 ÷ 4 + 3 = 32
- 412 ÷ 9 - 2 × 7 + 3 = 10✓
Correct answer
12 ÷ 9 - 2 × 7 + 3 = 10
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