Level 2 PSLE
A rope was first cut into two pieces in the ratio 3 : 2. The longer piece was then cut into two pieces in the ratio 3 : 1. Among the three pieces, the length of the shortest piece was 6 cm. What was the length of the rope before it was first cut?
Level 2
At a supermarket, 20% of the fish were guppies and the rest were dory fish. 40% of the dory fish were sold. What was the ratio of the number of dory fish to the number of guppies in the end?
Level 3
Fill in the blanks.
Adam spends 15 of his money on 4 stickers and 5 marbles.
Each marble costs twice as much as each sticker.
Let the cost of 1 sticker be 1 u.