Level 3
An even 5-digit whole number is made up of different digits. The digit in the ten thousands place is the smallest even number. It is 5 less than the tens digit. The thousands digit is twice of the hundreds digit. The hundreds digit is 4 less than the tens digit. What is the smallest possible 5-digit whole number?
Level 3
Hannah and Vicky bought a total of 212 balloons for an event. Hannah bought 3 times as many balloons as Vicky. How many balloons did Vicky buy?