Question 39

Three of the following four number-pairs are alike in a certain way and one is different. Find the odd one out.

Solution

$$29-59 : 29×2+1=59$$

$$27-55 : 27×2+1=55$$

$$21-43 : 21×2+1=43$$

$$25-53 : 25×2+3=53$$

so, 25-53 doesn't follow the same logic.

D is correct choice.

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