Level 2
When a number is divided by 2, the remainder is 1.
When the same number is divided by 3, the remainder is also 1.
What is the smallest possible number?
3 m
Level 2
When a number is divided by 2, the remainder is 1.
When the same number is divided by 3, the remainder is also 1.
What is the smallest possible number if the number is more than 10?
3 m
Level 3
Adam's age is a multiple of 3 this year.
His age 2 years later will be multiple of 7.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What was Adam's age 3 years later?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age 2 years ago is a multiple of 5.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What is Adam's age 3 years later?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age next year will be multiple of 7.
Adam's age is between 20 and 40.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What is Adam's age 3 years later?
4 m