Level 3
Red, blue and green cloths are sold in 40 cm, 70 cm and 100 cm long respectively. Ron wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
  1. Red cloth
  2. Blue cloth
  3. Green cloth
4 m
Level 3
Gerald bought bottles of apple juice, orange juice and lemon juice of 250 mℓ, 300 mℓ and 500 mℓ respectively. He wanted to have equal amount of each type of juice. What is the least number of bottles he must buy for
  1. apple,
  2. orange,
  3. lemon?
4 m
Level 3
Daryl was trying to sleep one night but there was too much noise around him. His clock ticked every 10 seconds, a tap was dripping every 12 seconds and his dog snored every 15 seconds. He noticed on his clock that all 3 things happened together at 11 p.m.
  1. At what time would all 3 things happen together again?
  2. How many times would all 3 things happen together again from 11 p.m. to 12 midnight?
4 m
Level 2
The mass of a bag of sugar is 200 g. The mass of a bag of flour is 600 g. Mrs Foo wants to buy an equal amount of sugar and flour. What is the least number of bags of sugar that she should buy?
4 m
Level 2
Doris bought a box of 36 chocolates and a box of 45 sweets. However, she wanted to buy equal number of chocolates and sweets. What was the minimum number of boxes of chocolates and sweets she needed to buy?
  1. Number of boxes of chocolates
  2. Number of boxes of sweets
4 m
Level 2
Mr Jones bought a carton of bean bags. There were fewer than 60 bean bags in the carton. The number of bean bags in the carton could be packed into boxes of 4 or 7. What was the greatest possible number of bean bags in the carton?
4 m