Choose Odd Numbers
Practice and master this topic with our carefully crafted questions.
In Choose odd Number questions, certain numbers are given, out of which all except one are alike in some manner while one is different and this number is to be chosen as the answer.
125 is the number in the group which is a perfect cube.
Each of the numbers except 27, is a prime number.
Each of the numbers except 257, is one less than the square of a certain number.
Each of the numbers except 380, is either one less or one more than the square of a certain number.
49 is the only perfect square number in the group.
All other numbers are cubes of odd numbers.
All other numbers are cubes of odd numbers.
Here logic is:
13 = 1 + 3 = 4 → Even number
17 = 1 + 7 = 8 → Even number
23 = 2 + 3 = 5 → Odd number
37 = 3 + 7 = 10 → Even number
73 = 7 + 3 = 10 → Even number
Hence, '23' is the correct answer.
131 is the only prime number in the group.
Each of the numbers except 399, is one more than the square of a certain number.