Question : Directions: Select the missing number from the given responses.
Option 1: 10
Option 2: 20
Option 3: 22
Option 4: 110
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Correct Answer: 20
Solution : In a column, determine the square root of the first number to get the second number, and then multiply the second number by 2 to get the third number.
In the first column: $\sqrt36$ = 6 and 6 × 2 = 12
In the second column: $\sqrt64$ = 8 and 8 × 2 = 16
Similarly, follow the same pattern in the third column: $\sqrt100$ = 10 and 10 × 2 = 20
So, 20 is the missing number in the given matrix. Hence, the second option is correct.
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