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. 15

3. 2

4. 10

Q. How many composite numbers are there in the first 10 natural numbers?

1. 4
2. 3
3. 6
4. 5

Q. Bill and Ted collectively has 3 dozen bananas. Ted's sister ate three bananas from it. How many bananas are left with them?

1. 27
2. 30
3. 33
4. 36

Q. What is the smallest composite number?

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

Q. What will be the sum of an odd number and an even number?

1. Negative number
2. Odd number
3. Zero
4. Even number

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. 11
3. 7
4. 6

Q. Which of the following numbers are composite?

1. 1
2. 8.4
3. 15
4. 24

Q. Find the prime numbers from the following.

30, 31, 32, 33, 34, 35, 36, 37, 38, 39.

1. 32 and 39
2. 30 and 34
3. 31 and 37
4. 35 and 37