Principal Mohan Lal and J.C. Nijhawan Solutions for Chapter: Factors and Multiples, Exercise 6: Worksheet VI

Find LCM of the following numbers by common division method: $16,48,64$.

Find LCM of the following numbers by common division method: $35,49,91$.

Find LCM of the following numbers by common division method: $20,25,30$.

Find LCM of the following numbers by common division method: $12,16,24,36$.

Find LCM of the following numbers by common division method: $40,48,45$.

Find the least number which when divided by $40,50$ and $60$ leaves remainder $5$ in each case.

Three Haryana Roadways buses stop after $50,100$ and $125 \mathrm{km}$ respectively. If they leave together, then after how many kilometres will they stop together?

Four bells toll at intervals of $8,9,12$ and $15$ minutes respectively. If they toll together at $3 \mathrm{p}.\mathrm{m}.,$when (in p.m.) will they toll together next?