Level 2
The average mass of Lynn and Joan is 18p kg. If Joan is 4p kg lighter than Lynn, find Lynn's mass in kg.
2 m
Level 3
Fill in the blanks.
Number of boys at first is 40% of the children.
Number of boys is then decreased to 30%.

  1. Number of boys at first = _____ u
  2. Number of boys in the end = _____ u
  3. Decrease in the number of boys = _____ u
  4. Number of children in the end = _____ u
4 m
Level 2 PSLE
A group of 5 girls booked a tennis court for 3 hours and took turns to play. At any time, there were 4 girls playing on the court. On average, how long did each girl play on the court? Give the answer in hours and minutes.
2 m
Level 3
During a sale, a watch with a selling price of $180 was given 2n% discount. If Fina bought it at the discounted price, how much did she save?
2 m
Level 2
Fill in the blanks.
Adam has some stickers.
Bryan gives him more stickers.
The number of stickers that Adam has increases by 25%.

  1. Number of stickers that Adam has at first = _____ u
  2. Number of stickers that Bryan gives him = _____ u
  3. Number of stickers that Adam has in the end = _____ u
3 m