Karen Morrison and Nick Hamshaw Solutions for Exercise 6: Exercise 1.6

Find the HCF of $36, 63$ and $84$.

Find the HCF of $22, 33$ and $121$.

Find two numbers less than $20$ that have an HCF of $2$ 

Find two numbers less than $20$ that have an HCF of $6$ 

What is the HCF of two different prime numbers ? Explain with an example.

Simeon has two lengths of rope. One piece is $72$ metres long and other is $90$ metres long. He wants to cut both lengths of rope into the longest pieces of equal length possible. Find the length of the piece?

Ms. Sanchez has $40$ canvases and $100$ tubes of paint to give to the students in her art group. What is the largest number of students she can have if she gives each students an equal number of canvasses and an equal number of tubes of paint ?

Indira has $300$ blue beads, $750$ red beads and $900$ silver beads. She threads these beads to make wire bracelets. Each bracelet must have the same number and colour of beads. What is the maximum number of bracelets she can make with these beads