Find the missing number

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Solution

The correct option is D
30

For the first two rows:

$8 \div 4 = 2$ and $24 \div 8 = 3$

$6 \div 3 = 2$ and $18 \div 6 = 3$

So, we observe that in a row:

Number in the second column = 2 $\times$ Number in the first column

Number in the third column = 3 $\times$ Number in the second column

So, 2 $\times$ 5 = 10 and 3 $\times$ 10 = 30

Hence, the missing number is 30.

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