Classification
Direction: In each of the following questions, five/four number are given. Out of these four/three are like in a certain way but one is different. Choose the one which is different from the rest four/three.
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Only 729 is a perfect cube.
Correct Option: A
Only 729 is a perfect cube.
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Except 124, all other numbers are multiples of 3.
Correct Option: C
Except 124, all other numbers are multiples of 3.
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All except 18 are square of natural numbers.
(5)2 = 25, (3)3 = 9, (4)2 = 16.Correct Option: D
All except 18 are square of natural numbers.
(5)2 = 25, (3)3 = 9, (4)2 = 16.
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Except 267 , all other numbers are one lass than the square of a certain number
Correct Option: E
Except 267 , all other numbers are one lass than the square of a certain number
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9 - 2 = 7 . → 72 = 49
13 - 2 = 11 → 112 = 121
10 - 2 = 8 → 82 = 64 ≠ 61
7 - 2 = 5 → 52 = 25Correct Option: C
9 - 2 = 7 . → 72 = 49
13 - 2 = 11 → 112 = 121
10 - 2 = 8 → 82 = 64 ≠ 61
7 - 2 = 5 → 52 = 25
