Question

6. Find the largest number which divides 630 and 940 leaving re
respectively
7. Find the least number which when divided by 16. 36 and 40 leaves
each case.
8. Write all prime numbers between 50 and 100.
9. Write seven consecutive composite numbers less than 100 having
between them.
10. Can two numbers have 12 as their HCF and 512 as their LCM? Ju
B. Mark (/) against the correct answer in each of the following:
11. Which of the following are co-primes?
(a) 91 and 72 (b) 34 and 51 (c) 21 and 36
12. The LCM of two co-prime numbers is their
(a) sum
(b) difference (c) product
13. The number which is neither prime nor composite is
(a) 0
(b) 1
(c) 2
14. What least number should be replaced for • so that the numbe
divisible by 9?​

Answer 1

Answer:

the largest number which divides 630 and 940 leaving re

respectively

7. Find the least number which when divided by 16. 36 and 40 leaves

each case.

8. Write all prime numbers between 50 and 100.

9. Write seven consecutive composite numbers less than 100 having

between them.

10. Can two numbers have 12 as their HCF and 512 as their LCM? Ju

B. Mark (/) against the correct answer in each of the following:

11. Which of the following are co-primes?

(a) 91 and 72 (b) 34 and 51 (c) 21 and 36

12. The LCM of two co-prime numbers is their

(a) sum

(b) difference (c) product

13. The number which is neither prime nor composite is

(a) 0

(b) 1

(c) 2

14. What least number should be replaced for • so that the numbe

divisible by 9?