Subject Experts Solutions for Chapter: Problems on H.C.F and L.C.M, Exercise 1: Problems on H.C.F and L.C.M

The least multiple of $7,$ which leaves a remainder of $4$, when divided by $6,9,15$ and $18$ is:

Find the lowest common multiple of $24,36$ and $40$.

The least number which when divided by $5,6,7$ and $8$ leaves a remainder $3$, but when divided by $9$ leaves no remainder, is:

The ratio of two numbers is $3:4$ and their H.C.F. is $4$. Their L.C.M. is:

The least number which when divided by $12,15,20$ and $54$ leaves in each case a remainder of $8$ is

Which of the following has the most number of divisors?

The L.C.M. of two numbers is $48$. The numbers are in the ratio $2:3$. Then sum of the number is:

The H.C.F. of $\frac{9}{10},\frac{12}{25},\frac{18}{35}$ and $\frac{21}{40}$ is: