Question
PSLE
A bag contains beads of three different colours. 15 of the beads are blue. The ratio of the number of purple beads to that of brown beads is 2 : 1. What is the ratio of the number of blue beads to that of brown beads?
2 m

Click button first when a symbol is required. X

PSLE
A bag contains beads of three different colours. 15 of the beads are blue. The ratio of the number of purple beads to that of brown beads is 2 : 1. What is the ratio of the number of blue beads to that of brown beads?