The product of the L.C.M. and H.C.F. of two numbers is 24. The difference of two numbers is 2. Find the numbers.

 

Find the ratio of the LCM and the HCF of 5, 25 and 30. 

(A) 1 : 6 

(B) 30 : 1 

(C) 1 : 30 

(D) 6 : 1 

Find the HCF of 3, 7 and 15. 

(A) 7 

(B) 15 

(C) 3 

(D) 1 

Find the G.C.F and L.C.M of $20$and $28$.

1. $20, 280$
2. $5, 280$
3. $10, 140$
4. $4, 140$

What will be the HCF of $\frac{2}{3}, \frac{8}{9}$ and $\frac{64}{81}$?

The LCM of two numbers is $210$. If their HCF is $35$ and one of the numbers is $105$, find the other number: