B.Ed (CHANDIGARH) 2018 Entrance Exam With Answers

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86.

Choose the number which is least like in the group: 71, 73, 77, 79

A: 77

B: 71

C: 73

D: 79

The answer is: A

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Explanation

To determine the number that is least like in the group, we can analyze the numbers and identify any patterns or characteristics.

Looking at the given numbers: 71, 73, 77, 79, we can observe that all of them are prime numbers.

However, the number 77 stands out as an exception because it is not a prime number. It is divisible by 7 and 11.

Therefore, the number that is least like in the group is 77.

Hence, the correct answer is 77.