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If 20 * 3 = 180 and 4 * 5 = 100, then what is the value of 7 * 7 ?(1) 21 (2) 49 (3) 343 (4) 7 |
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Answer» Correct option: (3) 343 Explanation: Hint → 20 * 3 = 180 => 20 × 32 = 180 4 * 5 = 100 => 4 × 52 = 100 7 * 7 = ? => 7 × 72 = 343 |
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