How Many Numbers Can Be Formed Using a Certain Number of Digits?
Ajit was aske...
Question
Ajit was asked to form the largest and the smallest five digit number by using digits 4, 9, 7, 2 and 1 without repeating any of the numbers. What is the difference between the largest and the smallest number that Ajit formed?
A
88,888
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
84,942
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
84,932
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
83,932
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B 84,942 The largest number formed by using the given digits is 97421 and the smallest digit number formed is 12479. So, the difference between them can be calculated as:
97,421 - 12,479 = 84,942.