SMALLEST NUMBER & BIGGEST NUMBER -
A) One Digit Smallest No. is 1
One Digit Biggest no. is 9
B) Two Digit Smallest No. is 10
Two Digit Biggest no. is 99
C) Three Digit Smallest no. is 100
Three Digit Biggest no. is 999
D) Four Digit Smallest no. is 1000
Four Digit Biggest no. is 9999
E) Five Digit Smallest No. is 10000
Five Digit Biggest No. is 99999.
Now you will learn if Three digit biggest number is 999, then why it is so ?
Three digit biggest number is = 999
If we add 1 with 999, then the number will be-
999 + 1 = 9 Hundreds + 9 Tens + 9 Ones + 1 One
= 9 Hundreds + 9 Tens + 10 Ones
= 9 Hundreds + 9 Tens + 1 Ten + 0 One
= 9 Hundreds + 10 Tens + 0 One
= 9 Hundreds + 1 Hundred + 0 Ten + 0 One
= 10 Hundreds + 0 Ten + 0 One
= 1 Thousand + 0 Hundred + 0 Ten + 0 One
= 1000 = 1 Thousand
So, 1 Thousand to be written 1000. ( 4 Digit Smallest Number ).