Hemant Malhotra and R K Tyagi Solutions for Chapter: HCF and LCM, Exercise 4: Exercise-4

Find the LCM of $\mathrm{16,} \mathrm{32,} 48$.

Find the LCM of $\mathrm{120,} \mathrm{220,} 360$.

Find the LCM of $\mathrm{35,} \mathrm{80,} 140$.

Find the LCM of $\mathrm{188,} \mathrm{216,} 310$.

Find the greatest $4$-digit number which is exactly divisible by $18$ and $24.$

Find the least number which after being increased by $5\mathrm{}$ is exactly divisible by $8,12$ and $18$.

The product of two numbers is $8640$. If their LCM is $360$, find their HCF.

The product of two numbers is $1728$. If their HCF is $12$, find their LCM.