Question
PSLE
A bag contains beads of three different colours. 18 of the beads are red. The ratio of the number of orange beads to that of blue beads is 2 : 1. What is the ratio of the number of red beads to that of blue beads?
2 m

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PSLE
A bag contains beads of three different colours. 18 of the beads are red. The ratio of the number of orange beads to that of blue beads is 2 : 1. What is the ratio of the number of red beads to that of blue beads?