Classification
Direction: In each of the following questions, five/four words/number are given, out of which four/three are same in one way or the other and the fifth/fourth one is different from these four/three. Select the odd one.
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Except '384' , all the others are perfect Cube of natural number.
Correct Option: D
Except '384' , all the others are perfect Cube of natural number.
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Except '39', all the others are prime numbers, while 39 is a composite number
As, 39 → 13 x 3Correct Option: B
Except '39', all the others are prime numbers, while 39 is a composite number
As, 39 → 13 x 3
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Except '189', all the others are square number.
25 → 5^{2}, 64 → 8^{2}, 225 → 15^{2} and 121 → 11^{2}Correct Option: C
Except '189', all the others are square number.
25 → 5^{2}, 64 → 8^{2}, 225 → 15^{2} and 121 → 11^{2}
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Except '225' , all the other are perfect squares of natural numbers.
Correct Option: D
Except '225' , all the other are perfect squares of natural numbers.
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83 is the only number which is prime, while others are composite numbers.
Correct Option: B
83 is the only number which is prime, while others are composite numbers.