If '+' means, '÷', '-' means '+', '×' means '-', '÷' means '×', then what will come in place of the question mark (?) in the following equation? 14 - 3 ÷ 8 × 63 + 9 = ?
31
| Sign | + | - | × | ÷ |
| Interchange with | ÷ | + | - | × |
The equation we get after interchanging the signs,
→ 14 + 3 × 8 - 63 ÷ 9 =?
→ 14 + 3 × 8 - 7 =?
→ 14 + 24 - 7 =?
→ 38 - 7 =?
→ 31 =?
Hence, the correct answer is "31".
Similar Questions
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Important Questions from Logical Puzzle
Seven persons P, Q, R, S, T, U and V like different watches namely W1, W2, W3, W4, W5, W6 and W7 (not necessarily in the same order). P and R do not like odd numbered watch. T likes W5. U does not like W2 or W3 or W6 or W7. P likes prime numbered watch. Q likes W4. S likes W2 or W7. Which of the following statement(s) is/are correct ?
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