**NCERT
Solutions for Class 6 Maths Chapter 2 Whole Numbers Ex 2.3**

NCERT Solutions for Class 6 Maths Chapter 2 Whole Numbers Ex 2.3
are the part of NCERT Solutions for Class 6 Maths. Here you can find the NCERT
Solutions for Class 6 Maths Chapter 2 Whole Numbers Ex 2.3.

**NCERT Solutions for Class 6 Maths Chapter 2 Whole Numbers Ex 2.1****NCERT Solutions for Class 6 Maths Chapter 2 Whole Numbers Ex 2.2****NCERT Solutions for Class 6 Maths Chapter 2 Whole Numbers Ex 2.3**

**Ex
2.3 Class 6 Maths Question 1.**

Which of the following will not represent zero:(a) 1 + 0

(b) 0 × 0

(c) 0/2

(d) (10−10)/2

**Solution:
**(a) 1 + 0 = 1 ≠ 0, it does not represent zero.

(b) 0 × 0 = 0, it represents zero.

(c) 0/2 = 0, it represents zero.

(d) (10−10)/2 = 0/2 = 0, it represents zero.

**Ex 2.3 Class 6 Maths Question
2.**

If the product of two whole numbers is zero, can we
say that one or both of them will be zero? Justify through examples.**Solution:
**Yes.

Examples:

15 × 0 = 0

0 × 28 = 0

0 × 0 = 0

**Ex 2.3 Class 6 Maths Question
3.**

If the product of two whole numbers is 1, can we say
that one or both of them will be 1? Justify through examples.**Solution:
**No.

This is true only, when each of the whole numbers is
1.

Examples:

12 × 1 = 12

1 × 23 = 23

1 × 1 = 1

**Ex 2.3 Class 6 Maths Question
4.**

Find using distributive property:(Ð°) 728 × 101

(b) 5437 × 1001

(c) 824 × 25

(d) 4275 × 125

(e) 504 × 35

**Solution:
**(a) 728 × 101 = 728 × (100 + 1)

= 728 × 100 + 728 × 1

= 72800 + 728

= 73528

(b) 5437 × 1001 = 5437 × (1000 + 1)

= 5437 × 1000 + 5437 × 1

= 5437000 + 5437

= 5442437

(c) 824 × 25 = 824 × (20 + 5)

= 824 × 20 + 824 × 5

= 16480 + 4120

= 20600

(d) 4275 × 125 = 4275 × (100 + 20 + 5)

= 4275 × 100 + 4275 × 20 + 4275 × 5

= 427500 + 85500 + 21375

= 534375

(e) 504 × 35 = (500 + 4) × 35

= 500 × 35 + 4 × 35

= 17500 + 140

= 17640

**Ex 2.3 Class 6 Maths Question
5.**

Study the pattern:1 × 8 + 1= 9

12 × 8 + 2 = 98

123 × 8 + 3 = 987

1234 × 8 + 4 = 9876

12345 × 8 + 5 = 98765

Write the next two steps. Can you say how the pattern works?

**Solution:
**Next two steps are:

123456 × 8 + 6 = 987654

1234567 × 8 + 7 = 9876543

Working pattern:

1 × 8 + 1 = 9

12 × 8 + 2 = (11 + 1) × 8 + 2 = 98

123 × 8 + 3 = (111 + 11 + 1) × 8 + 3 = 987

1234 × 8 + 4 = (1111 + 111 + 11 + 1) × 8 + 4 = 9876

12345 × 8 + 5 = (11111 + 1111 + 111 + 11 + 1) × 8 + 5 = 98765

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