Science, asked by jivikaagrawalstu, 1 month ago

(c) Which is the smallest odd number which is also a prime numb
7. Find: (a) The LCM of 3 and 7 (b) The HCF of 9 and 14
8. Write the prime factors of 60.
9. Write down separately the prime and composite numbers less than 10
10. Find the HCF and LCM of 15 and 20.
Multiple Choice Questions (MCQs)
1. Which of the following is a prime number?
(a) 19
(b) 20
(c) 21
2. Which of the following is not a prime number?
(a) 21
(b) 23​

Answers

Answered by Anonymous
4

Answer:

(c) 3

(7) a. 21 b. 1

(8) 2,3,5

(9) prime=2,3,5,7 ; composite=4,6,8,9

(10) HCF=5 ; LCM=60

MCQS

1. 19

2. 21

ALL R CORRECT ANSWERS,PLZ MARK IT AS BRAINLIEST

Answered by GlamKook
3

Answer:

Your answer is here:-

Explanation:

c. 3

7. (a) 21

(b) 1

8. 60 = 2, 3, 5

9. composite number = 4, 6, 8, 9

Prime number = 2, 3, 5, 7

10. LCM of 15 and 20 = 60

HCF of 15 and 20 = 5

MCQ

1. a) 19.

2. a) 21

Hope it helps you.

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