Practicing Success
Which number can be filled at a place of '?' |
16 14 12 10 |
16 |
The correct answer is option (1) : 16 The logic here is: 1. {14 × \(\frac{1}{2}\)} × 12 = 7 × 12 = 84 2. {18 × \(\frac{1}{2}\)} × 9 = 9 × 9 = 81 Similarly: 3. {? × \(\frac{1}{2}\)} × 11 = 88 ⇒ {? × \(\frac{1}{2}\)} = 8 ⇒ ? = 8 × 2 = 16 |