Question 26

In the following question, select the missing number from the given alternatives.
42, 21, 21, 31.5, 63, ?

Solution

The logic here is

$$42\times0.5=21$$

$$21\times1=21$$

$$21\times1.5=31.5$$

$$31.5\times2=63$$

Similarly, the next number $$=63\times2.5=157.5$$

Hence, the correct answer is Option B

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