Jharne De and Ranjana Kumar Solutions for Chapter: HCF and LCM, Exercise 4: Exercise

A community hall is $16 \mathrm{m} 50 \mathrm{cm}$ long and $15 \mathrm{m} 25 \mathrm{cm}$ wide. It is to be paved by square marble stone tiles. Find the largest size of each tile and the least number of tiles required.

Write a $5$-digit number, using digits $1,2,3,4,5$ only once, which is divisible by $8$.

What is the maximum number of Fridays that can occur in the first $50$ days of a year?