NCERT Class 6 Solutions: Whole Numbers (Chapter 2) Exercise 2.1–Part 1
Q1 Write the next three natural numbers after 10999.
Solution:
The natural number after 10,999 can be obtained by adding 1.
Q2 Write the three whole numbers occurring just before 10001
Solution:
The whole numbers before 10,001 can be obtained by subtracting 1.
Q3 which is the smallest whole number?
Solution:

The numbers 0, 1, 2, 3… form the collection of whole numbers

The smallest whole number is 0.
Q4 How many whole numbers are there between 32 and 53?
Solution:

Let us write the whole numbers

Now count the numbers between 32 and 53:

There are 20 whole numbers between 32 and 53.