Use the digits 11,9,7 to form the smallest and the largest mixed number. Then find their sum giving your answer as a mixed number.
Question 77. Using the digits 2, 4, 5 and 3 once, write the smallest four digit decimal number.
Ajit was asked to form the largest and the smallest five digit number by using digits 4, 9, 7, 2 and 1 without repeating the digits. What is the difference between the largest and the smallest number formed?