Reasoning - Classification

Directions to solve :
In each of the following questions, four numbers pair/group are given, out of which three are alike in some manner and one is different. Choose out the odd pair.
16.
Answer

Answer :

Option C

Explanation :


In each other pair, the first number is eight more than the second.
17.
Answer

Answer :

Option A

Explanation :


In all other pairs, the first number is a multiple of the second.
18.
Answer

Answer :

Option A

Explanation :


In all other pairs, the first number is four times the second number.
19.
Answer

Answer :

Option B

Explanation :


In all other pairs, the first digits of the two numbers are identical as 0 in 03 - 04, 2 in 26 - 24, 2 in 27 - 22.
20.
Answer

Answer :

Option C

Explanation :


In all other pairs, the two number have 3 as the common factor.
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