Composite numbers

Q.

Write natural numbers from 102 to 113. What fraction of them are composite numbers ?

Q.

7 consecutive composite numbers less than 100 are -

1. 81, 82, 83, 84, 85, 86, 87

2. 90, 91, 92, 93, 94, 95, 96

3. 65, 67, 68, 69, 70, 71, 72

4. 46, 47, 48, 49, 50, 51, 52

Q.

Composite numbers have more than _______ factors.

1. 6

2. 10

3. 15

4. 2

Q.

The largest 3 digit composite number is:-

1. 1000

2. 999

3. 989

4. 949

Q. What is the smallest composite number?

1. 2
2. 6
3. 4
4. 3

Q. Which one of these is neither a prime number nor a composite number?

1. 1
2. 7
3. 4
4. 2

Q. Which of the following is a composite number?

1. 3
2. 6
3. 11
4. 7

Q.

Write the seven consecutive composite numbers less than $100$.

Q.

Question 7
Explain why $3\times 5\times 7+7$ is a composite number.