In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.
| 5 | 1 | 3 |
| 9 | 9 | 4 |
| 6 | ? | 7 |
| 29 | 22 | 18 |
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 3
| Understanding |
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Logic: Number in 4th row = (Addition of numbers in 1st and 3rd row) + (2 × Number in 2nd row) As, 5 + 6 + 2 × 9 = 29 3 + 7 + 2 × 4 = 18 Similarly, 1 + ? + 2 × 9 = 22 So, ? = 22 – 19 = 3 |