Question

find the odd one out from the series 3 5 7 9 11 a 11 b 7 c 9 d 5​

Answer 1

Answer:

The answer for your question is 9. That means: Option-C

Reason:

We can see that except the number 9, other are prime numbers. That means, in the given series:

Prime numbers: 3,5,7,11

Composite number: 9

From this, we can say that 9 is the odd one out in the series.

Know more:

Prime numbers:

• Prime numbers are the numbers which has only two factors: 1 and the number itself.
• For Example, Let us consider the number 2. In this case, 2 is the prime number since, it has only 2 factors: 1,2

Composite numbers:

• Composite Numbers are the numbers which has more than 2 factors.
• Ex: 9
• In this case, 9 has three factors: 1,3,9.
• Since 9 has more than 2 factors, it is said to be a composite number.