Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 18 | 21 | 24 |
| 24 | 33 | 27 |
| 12 | ? | 16 |
| 16 | 22 | 18 |
Option 1: 36
Option 2: 32
Option 3: 42
Option 4: 38
Correct Answer: 42
Solution : Given:
| 18 | 21 | 24 |
| 24 | 33 | 27 |
| 12 | ? | 16 |
| 16 | 22 | 18 |
Multiply the third number and the fourth number of the column by 1.5 to obtain the first and the second number.
In first column; 12 × 1.5 = 18; 16 × 1.5 = 24
In third column; 16 × 1.5 = 24; 18 × 1.5 = 27
Similarly, In the second column –
? × 0.5 = 21
? = 21 ÷ 0.5
? = 42
and, 22 × 1.5 = 33
So, the required number is 42. Hence, the third option is correct.
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