(Directions Q 1 - Q 40): The following questions, each series is arranged according to a particular rule, except one in it, you have to find the number, that does not fit in the series.
All the numbers/terms are prime numbers. except 9, which is an odd.
All the numbers/ terms are odd, except 2, which is the only even prime number.
All the terms are cubes of 1, 2, 3, 4, 5 and 6.
It should be 64, instead of 62.
First term is independent, 1 x 2 + 2 = 4, 4 x 2 + 2 = 10, 10 x 2 + 2 = 22, 22 x 2 + 2 = 46, 46 x 2 + 2 = 94, 94 x 2 + 2 = 190.
1^{2} + 1 = 2, 2^{2} + 1 = 5, 3^{2} + 1 = 10, 4^{2} + 1 = 17, 5^{2} + 1 = 26, 6^{2} + 1 = 37.
3^{2} â€“ 1 = 8, 4^{2} â€“ 2 = 14, 5^{2} â€“ 3 = 22, 6^{2} â€“ 4 = 32, it should be 32 instead of 34, 7^{2} â€“ 5 = 44.
32, 19, 18, 27, | 72, 81, 29, 23
Divide the terms into two parts and reverse the digits. Ex: 32 = > 23.
= > 19 => 91
Sum of the digits of each term is 8, except 52.
3 + 5 = 8, 5 + 3 = 8, 2 + 6 = 8, 4 + 4 = 8, 1 + 7 = 8, 5 + 2 = 7, 8 + 0 = 8.
All the numbers/terms are divisible by 3, except 35.
37 is prime, other are either even or odd.
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