Question : Directions: In the following question, Select the number that can be placed at the sign of the question mark (?) from the given alternatives.
| 4 | 5 | 6 |
| 3 | 4 | 2 |
| 5 | 3 | 3 |
| 23 | 19 | ? |
Option 1: 14
Option 2: 16
Option 3: 20
Option 4: 24
Correct Answer: 20
Solution : The pattern followed is that the second row is added to the product of the first and third to obtain the fourth row.
Like, in column one; 4 × 5 + 3 = 23
And, in column two; 5 × 3 + 4 = 19
Similarly, in column three; 6 × 3 + 2 = 20
So, the missing number is 20. Hence the third option is correct.
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