Question Paper
Class / Subject: Class 6 (CBSE) · Mathematics
Chapter: Chapter 5 — Chapter 5: Prime Time
Time Allowed: 18 minutes
Max Marks: 9
1. Which of these is a prime number? [1]
(A) 7
(B) 8
(C) 9
(D) 10
2. The only even prime number is: [1]
(A) 2
(B) 4
(C) 6
(D) 8
3. The number 1 is: [1]
(A) neither prime nor composite
(B) always prime
(C) always composite
(D) both prime and composite
4. A factor of 15 is: [1]
(A) 5
(B) 4
(C) 6
(D) 7
5. The first multiple of any number (other than 0) is: [1]
(A) the number itself
(B) always 1
(C) always 10
(D) always 0
6. Every number has: [1]
(A) a finite number of factors but infinite multiples
(B) infinite factors but finite multiples
(C) infinite factors and infinite multiples
(D) no factors or multiples
7. The HCF of 8 and 12 is: [1]
(A) 4
(B) 2
(C) 8
(D) 24
8. The LCM of 4 and 6 is: [1]
(A) 12
(B) 24
(C) 10
(D) 2
9. If HCF of two numbers is 4 and their product is 48, their LCM is: [1]
(A) 12
(B) 4
(C) 48
(D) 8