Question : Directions: If 3 * 4 = 10, 5 * 8 = 18, 7 * 7 = ?
Option 1: 26
Option 2: 21
Option 3: 28
Option 4: 49
Answer (1)
25th Jan, 2024
Correct Answer: 21
Solution :
Given:
3 * 4 = 10
5 * 8 = 18
(3 * 4) = 10→(3 × 2) + 4 = 6 + 4 = 10
(5 * 8) = 18→(5 × 2) + 8 = 10 + 8 = 18
Similarly, for (7 * 7)→(7 × 2) + 7 = 14 + 7 = 21
Hence, the second option is correct.
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