# Here we have given NCERT Solutions for Class 6 Maths Chapter 2 Whole Numbers Ex 2.1.

 Board CBSE Textbook NCERT Class Class 6 Subject Maths Chapter Chapter 2 Chapter Name Whole Numbers Exercise Ex 2.1 Number of Questions Solved 8 Category NCERT Solutions

## NCERT Solutions for Class 6 Maths Chapter 2 Whole Numbers Ex 2.1

Ex 2.1 Class 6 Maths Question 1.
Write the next three natural numbers after 10999.
Solution:
The next three natural numbers after 10999 are 10999 +1,10999 + 2 and 10999 + 3
i.e.,11000, 11001 and 11002.

Ex 2.1 Class 6 Maths Question 2.
Write the three whole numbers occurring just before 10001.
Solution:
The three whole numbers occurring just before 10001 are 10001 – 1, 10001 – 2 and 10001 – 3
i.e., 10000, 9999 and 9998.

Ex 2.1 Class 6 Maths Question 3.
Which is the smallest whole number?
Solution:
The smallest whole number is 0.

Ex 2.1 Class 6 Maths Question 4.
How many whole numbers are there between 32 and 53?
Solution:
There are (53 – 32) -1 = 21 – 1= 20 whole numbers between 32 and 53.

Ex 2.1 Class 6 Maths Question 5.
Write the successor of:
(a) 2440701
(b) 100199
(c) 1099999
(d) 2345670
Solution:
(a) Successor of 2440701 = 2440701 + 1 = 2440702
(b) Successor of 100199 = 100199 + 1 = 100200
(c) Successor of 1099999 =1099999 +1 = 1100000
(d) Successor of 2345670 = 2345670 + 1 = 2345671

Ex 2.1 Class 6 Maths Question 6.
Write the predecessor of:
(a) 94
(b) 10000
(c) 208090
(d) 7654321
Solution:
(a) Predecessor of 94 = 94 – 1 = 93
(b) Predecessor of 10000 = 10000 – 1 = 9999
(c) Predecessor of 208090 = 208090 – 1 = 208089
(d) Predecessor of 7654321 =7654321 – 1 = 7654320

Ex 2.1 Class 6 Maths Question 7.
In each of the following pairs of numbers, state which whole number is on the left of the other number on the number line. Also write them with the appropriate sign (>, <) between them,
(a) 530, 503
(b) 370, 307
(c) 98765, 56789
(d) 9830415, 10023001
Solution:
(a) Here 503 lies on the left of 530 on the number line.
∴ 530 > 503
(b) Here 307 lies on the left of 370 on the number line.
∴ 370 > 307
(c) Here 56789.lies on the left of 98765 on the number line.
∴ 98765 > 56789
(d) Here 9830415 lies on the left of 10023001
∴ 9830415 > 10023001

Ex 2.1 Class 6 Maths Question 8.
Which of the following statements are true (T) and which are false (F)?
(a) Zero is the smallest natural number.
(b) 400 is the predecessor of 399.
(c) Zero is the smallest whole number.
(d) 600 is the successor of 599.
(e) All natural numbers are whole numbers.
(f) All whole numbers are natural numbers.
(g) The predecessor of a two digit number is never a single digit number.
(h) 1 is the smallest whole number.
(i) The natural number 1 has no predecessor.
(j) The whole number 1 has no predecessor.
(k) The whole number 13 lies between 11 and 12.
(l) The whole number 0 has no predecessor.
(m) The successor of a two digit number is always a two digit number.
Solution:
(a) False
(b) False
(c) True
(d) True
(e) True
(f) False
(g) False
(h) False
(i) True
(j) False
(k) False
(l) True
(m) False

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