P&C 2101: forming numbers
In this question, we form a number under certain restrictions.
Question types
- Form a number allowing repetition
- Form a number by rearranging a set of numbers with no repetition
- Form a number by choosing from a set of numbers with no repetition
Restrictions
- The number formed is greater than 30000
- The last two digits are both even
- The number is greater than 30000 and odd