Aptitude - Odd Man Out and Series - Discussion

Discussion Forum : Odd Man Out and Series - Odd Man Out (Q.No. 14)
Directions to Solve
Find the odd man out.

14.
3, 5, 7, 12, 17, 19
19
17
5
12
Answer: Option
Explanation:
Each of the numbers is a prime number except 12.
Discussion:
35 comments Page 2 of 4.

RAMESH said:   1 decade ago
3, 5, 7, 17, 19 odd numbers.

12 is even number.

Pavankumar said:   1 decade ago
3, 5, 7, 17, 19, 12 in this 12 is even number, so the answer is 12.

Rajat said:   1 decade ago
@Priyanka.

Non-prime numbers are composite numbers.

Santosh said:   1 decade ago
Please anyone can explain what is prime number?

Abdul rasheed said:   1 decade ago
True, because 3, 5, 7, 19 odd numbers.

12 is even number.

Saviour said:   1 decade ago
Find odd one please help 70 80 36 15 28 ?

Priya said:   1 decade ago
3+2 = 5.
5+2 = 7.
7+5 = 12.
12+5 = 17.
19 +2 = 23.

Every answer is odd number so 12 is even.

Aiswarya said:   1 decade ago
To be clear 12 is not a prime number because it is divisible by 9 and 1. Prime number is only divisible by 1 and it should not be multiple of any other number.

Pallav sharma said:   1 decade ago
Except 12 all other numbers are prime. So answer is 12.

APARNA DEVI said:   1 decade ago
Please anyone can explain what is prime number and what is composite number?


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