# Math Practice Quiz: MCQ!

11 Questions | Total Attempts: 6353

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• 1.
The even prime number is:
• A.

2

• B.

4

• C.

0

• D.

6

• 2.
The number is neither prime nor composite.
• A.

2

• B.

3

• C.

1

• D.

5

• 3.
The twin primes are:
• A.

7,11

• B.

9,11

• C.

13,15

• D.

29,31

• 4.
A and B are coprimes,their L.C.M is:
• A.

AB

• B.

B

• C.

A

• D.

None

• 5.
A and B are coprime, their H.C.F is:
• A.

A

• B.

1

• C.

0

• D.

B

• 6.
The L.C.M of 13 and 8 is:
• A.

8

• B.

104

• C.

13

• D.

1

• 7.
The H.C.F of 31 and 20 is:
• A.

1

• B.

31

• C.

20

• D.

620

• 8.
15 and 17 are:
• A.

Twin primes

• B.

Composite

• C.

Co primes

• D.

Primes

• 9.
Which of the following is not a whole number?
• A.

20÷5

• B.

36÷3

• C.

0÷9

• D.

16÷5

• 10.
The number is divisible by 5,if the unit's place is:
• A.

2 and 5

• B.

Only 0

• C.

0 and 5

• D.

Only 5

• 11.
The perfect number among the following:
• A.

8

• B.

6

• C.

22

• D.

4

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