Practice Set on the Chapter "Number Systems - 3"

What is the least number of similar bracelets she can make?

• 15

• 25

• 10

• 30

How many different types of beads are needed to create 20 bracelets?

• 5

• 10

• 15

• 20

If each bracelet requires 3 beads, how many beads are needed for 12 bracelets?

• 36

• 24

• 30

• 18

With Reference to the Previous Question, What is the maximum number of bracelets she can make with 45 beads?

• 15

• 20

• 10

• 25

Find the LCM for given White Beads and Blue Beads?

• 600

• 120

• 150

• 400

If she has 60 beads and each bracelet requires 4 beads, how many bracelets can she make?

• 15

• 10

• 12

• 18

What is the greatest common divisor (GCD) of 24 and 36?

• 6

• 12

• 18

• 24

How many beads are needed to make 5 bracelets if each bracelet requires 8 beads?

• 40

• 30

• 50

• 20

If she has 20 bracelets with each colour of beads in it. It is the least number of bracelets, which of the following number of beads she used in the bracelets?

• 15 Red, 20 White, 25 Blue

• 40 Red, 60 White, 80 Blue

• 12 Red, 24 White, 36 Blue

• 10 Red, 15 White, 30 Blue

If she wants to make 8 bracelets and each bracelet requires 5 beads, how many beads does she need in total?

• 40

• 35

• 45

• 50