Question : Directions: In the following question, find the odd number from the given alternatives.
Option 1: 71
Option 2: 83
Option 3: 89
Option 4: 93
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Correct Answer: 93
Solution :
Let's check the options –
First option:
71; 71 is divisible only by 1 and 71. So, it is a prime number.
Second option:
83; 83 is divisible only by 1 and 83. So, it is a prime number.
Third option:
89; 89 is divisible only by 1 and 89. So, it is a prime number.
Fourth option:
93; 93 is divisible by 1, 3, 31, 93. Due to more than two factors, it is not a prime number.
The fourth option does not follow a similar pattern as the other options. Hence, the fourth option is correct.
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