V K Raman and S N Sharma Solutions for Exercise 2: EXERCISE

Find the least number that leaves a remainder $12$ when divided by $18,24$ and $30$.

Green, Red and Blue bulbs in a wedding decoration light up every $30,40$ and $50$ seconds respectively. They all together lighted up at $8 \mathrm{p}.\mathrm{m}$. At what time would they all light up together again?

Mrs. Rita, Mrs. Rinku and Mrs. Rony visit the supermarket once in every $2,3$ and $4$ days respectively. They visited together on $3^{\mathrm{rd}}$ July. On which date would they meet again.

The product of two numbers is $360$. If their H.C.F is $6$, find their L.C.M.

The product of two numbers is $486$. If their L.C.M. is $54$, find their H.C.F.

The product of H.C.F. and L.C.M. of two numbers is $480$. If one number is $20$, find the other number.

The product of H.C.F. and L.C.M. of two numbers is $480$. If one number is $20$, find the H.C.F. of two numbers.

The product of H.C.F. and L.C.M. of two numbers is $480$. If one number is $20$, find the L.C.M of two numbers.