Question : Directions: In the following question, find the odd number from the given alternatives.
Option 1: 42
Option 2: 84
Option 3: 91
Option 4: 71
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Correct Answer: 71
Solution : Let's check the options – First option: 42; 42 is divisible by 1, 2, 3, 6, 7, 14, 21, 42. It is not a prime number. Second option: 84; 84 is divisible by 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84. It is not a prime number. Third option: 91; 91 is divisible by 1, 7, 13, 91. It is not a prime number. Fourth option: 71; 71 is divisible by only 1 and 71. It is 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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Option 1: 71
Option 2: 83
Option 3: 89
Option 4: 93
Question : Directions: In the following question, find the odd number pair from the given alternatives.
Option 1: 3, 12
Option 2: 2, 6
Option 3: 6, 42
Option 4: 5, 35
Option 1: 16
Option 2: 4
Option 3: 2
Option 4: 36
Option 1: 1, 0.75, 0.5, 1.25
Option 2: 4, 3, 2, 5
Option 3: 1, 4, 2, 8
Option 4: 2, 1.5, 1, 2.5
Option 1: 73 – 61
Option 2: 57 – 69
Option 3: 47 – 59
Option 4: 42 – 29
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