Level 2
Alice picked two different numbers from a box. One of their common multiples is 24 and the sum of all the factors of the smaller number is 7. The bigger number is 8. What is the smaller number?
4 m
Level 2
John's age is a multiple of 7 this year. His age next year will be a multiple of 6. John is more than 30 years old. What is John's age this year?
4 m
Level 2
Jerry's age last year was a multiple of 4. His age next year is a multiple of 5. Given that he is between 12 and 40 years old, how old is he now?
4 m
Level 3
Cherry has more than 30 but fewer than 40 candies. If she packs them in packets of 5, she will have 3 left. If she packs them in packets of 7, she will only have 3 in the last packet. How many candies does Cherry have?
4 m
Level 3
Mr Lim has some pencils. If he ties them in bundles of 6, he will have 5 extra pencils. If he ties them in bundles of 5, he would be short of 3 pencils. What is the smallest possible number of pencils Mr Lim has?
4 m