Foundation Mathematics Primary 6 Ratio

A craft stall at Geylang Serai Bazaar sells red, yellow and green beads in the ratio 1 : 2 : 3. There are 8 red beads in a packet. How many green beads are in the same packet?

A 24
B 16
C 11
D 3
Show Worked Solution

Worked Solution

Step 1: Use the ratio for red beads to find the value of 1 unit. Red : Yellow : Green = 1 : 2 : 3 Red beads = 1 unit = 8 So 1 unit = 8 beads Step 2: Find the number of green beads. Green beads = 3 units = 3 × 8 = 24 Answer: There are 24 green beads.

Correct answer: 24

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