Question 48

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

Solution

The logic here is

$$13+19=32=4\times8$$

$$71+9=80=10\times8$$

The sum of top numbers is equal to the product of bottom number and 8.

Let the required number = a

Similarly, $$128+32=\text{a}\times8$$

$$\Rightarrow$$ 8a = 160

$$\Rightarrow$$ a = 20

$$\therefore\ $$The required number = 20

Hence, the correct answer is Option B

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