Select the number that will replace the question mark (?) in the following table.5323643475?
Select the number that will replace the question mark (?) in the following table.
| 5 | 3 | 23 |
| 6 | 4 | 34 |
| 7 | 5 | ? |
A. 47
B. 45
C. 42
D. 49
Select the number that will replace the question mark (?) in the following table.
| 5 | 3 | 23 |
| 6 | 4 | 34 |
| 7 | 5 | ? |
A. 47
B. 45
C. 42
D. 49
Best answer
Answer: A. 47
Answer: (A) 47
Third number = product + sum of the first two: \(5 \times 3 + 5 + 3 = 23\), \(6 \times 4 + 6 + 4 = 34\). So \(7 \times 5 + 7 + 5 = 47\).
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