Reasoning - Classification
Directions to solve :
In each of the following questions, four numbers are given, out of which three are alike in some manner and one is different. Choose the one which is different from the rest three.
1.
Answer
In all number except 8314, the sum of first three digits is equal to the unit's digit.
Answer :
Option AExplanation :
In all number except 8314, the sum of first three digits is equal to the unit's digit.
2.
Answer
In each number except 751, the difference of the third and the first digit is the middle one.
Answer :
Option AExplanation :
In each number except 751, the difference of the third and the first digit is the middle one.
3.
Answer
Each of the numbers except 63, is a prime number.
Answer :
Option CExplanation :
Each of the numbers except 63, is a prime number.
4.
Answer
Each of the numbers except 81, is divisible by 7.
Answer :
Option DExplanation :
Each of the numbers except 81, is divisible by 7.
5.
Answer
7 is the only prime number in the group.
Answer :
Option BExplanation :
7 is the only prime number in the group.
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