Page 186 - New Medley 2 Semester 1

EXERCISE 1.21

A. Write the greatest and smallest number of three digits using

the following digits. Repetition is not allowed.

1. 8, 4 and 2 2. 1, 4 and 7
Greatest Smallest Greatest Smallest

H T O H T O H T O H T O

3. 4, 1 and 9 4. 2, 4 and 9
Greatest Smallest Greatest Smallest

H T O H T O H T O H T O

B. Write the greatest and smallest number of three digits using

the following digits. Repetition is allowed.
1. 7, 2 and 5 2. 4, 7 and 2

Greatest Smallest Greatest Smallest

H T O H T O H T O H T O

3. 3, 4 and 1 4. 2, 4 and 8

Greatest Smallest Greatest Smallest

H T O H T O H T O H T O

Example 3: Make the greatest and smallest three digit number by
using digits 6, 9, 5 and 1. Repetition of digits is not

allowed.
Solution:

Let us first write the greatest number. Now let us write the smallest number.
We arrange the digits in descending We arrange the digits in ascending

order. order.
9, 6, 5, 1 1, 5, 6, 9

100