Page 171 - New Medley 5 Semester 1

Worksheet–3

• Productivity and Accountability
1. Which of the following are divisible by 2: 12365, 26741, 36528.

2. Which of the following are divisible by 3: 63974, 23541, 362190.

3. Which of the following are divisible by 4: 536288, 362546, 867424.

4. Which of the following are divisible by 5: 90435, 368512, 362510

5. Which of the following are divisible by 8: 639128, 362784, 362514.

6. Which of the following are divisible by 9: 639027, 945932, 362810.

7. Which of the following are divisible by 10: 363620, 367410, 369756.

8. Which of the following are divisible by 11: 138358, 406671, 862980.

9. Write all prime numbers between 10 and 50.

10. Write all composite numbers between 51 and 60.

11. Find prime factorization of 144 by factor tree method.

12. Find HCF of 84 and 108.

13. Find LCM of 25 and 30.

14. Find the greatest number which can divide 100, 120 and 140.

15. Find the smallest number divisible by 8, 12 and 15.

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