CT 8: LCM & HCF – II

1.The LCM of 3a, 2cd, and 5b is  

2. The LCM of 3p, 6p, and 9p is :

3. What is the LCM of 3(a³ − b³) and 11(a⁴ − b⁴)?

4. The LCM of x² − 8x + 15 and x² − 5x + 6 is:

5. Let x, y, and z be prime numbers. Find the HCF of: A = xy³z² and B = x³y².

6. If the HCF of xy³, x²y and x³y⁴ is xy, then their LCM is _______.

7. What is the LCM of a³b - ab³, a³b² - a²b³, ab(a - b)?

8. Find the HCF of 65 x³y⁴z⁵, 117 x³y³z³, 156 x⁶y⁵z⁷.

9. Find the HCF of 65 x³y⁴z⁵, 117 x²y³z³, 156 x⁶y⁵z⁷.

10. What is the H.C.F of 4x²y, 16xy³, 2x³y³