Question

Of 3 Aptitude
10
Question # 17
Find the odd one out in the series: 3, 6, 9, 13, 15, 18​

Answer 1

Answer:

13

Explanation:

since all terms are multiples of 3

3,6,9,12,15,18

is the order but 13 came in the place 12 so 13 is odd

Answer 2

Answer:

13

Explanation:

Step : 1 The following pattern can be used to find the odd one out:

Examine the items closely. Specify the items. Find the commonalities. Find the one that is unique or unusual.

since all terms are multiples of 3

3,6,9,12,15,18 is the order but 13 came in the place 12 so 13 is odd.

The list of odd numbers from 1 to 100 is: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99.

Step : 2  Odd numbers satisfy the congruence when divided by two, leaving a residue of 1. A number's parity indicates how odd it is; an odd number has parity 1, whereas an even number has parity 0. A number that cannot be split into two equal groups is said to be odd. No matter how many digits they contain, even numbers always finish in 2, 4, 6, 8 or 0 (the fact that the number 5,917,624 ends in a 4 tells us that it is an even number). Odd numbers finish in 1, 3, 5, 7, and 9.

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