Find: (i) 0.4 ÷ 2 (ii) 0.35 ÷ 5 (iii) 2.48 ÷ 4 (iv) 65.4 ÷ 6
(v) 651.2 ÷ 4 (vi) 14.49 ÷ 7 (vii) 3.96 ÷ 4 (viii) 0.80 ÷ 5
Solution:
We use the basic concepts of decimal multiplication and division to solve the questions given.
(i) 0.4 ÷ 2
= 4/10 × 1/2
= 2/10
= 0.2
(ii) 0.35 ÷ 5
= 0.35 × 1/5
= 35/100 × 1/5
= 7/100
= 0.07
(iii) 2.48 ÷ 4
= 248/100 × 1/4
= 62/100
= 0.62
(iv) 65.4 ÷ 6
= 654/10 × 1/6
= 109/10
= 10.9
(v) 651.2 ÷ 4
= 6512/10 × 1/4
= 1628/10
= 162.8
(vi) 14.49 ÷ 7
= 14.49 × 1/7
= 1449/100 × 1/7
= 1449/700
= 207/100
= 2.07
(vii) 3.96 ÷ 4
= 3.96 × 1/4
= 396/100 × 1/4
= 396/400
= 99/100
= 0.99
(viii) 0.80 ÷ 5
= 0.80 × 1/5
= 80/100 × 1/5
= 16/100
= 0.16
☛ Check: NCERT Solutions for Class 7 Maths Chapter 2
Video Solution:
Find: (i) 0.4 ÷ 2 (ii) 0.35 ÷ 5 (iii) 2.48 ÷ 4 (iv) 65.4 ÷ 6 (v) 651.2 ÷ 4 (vi) 14.49 ÷ 7 (vii) 3.96 ÷ 4 (viii) 0.80 ÷ 5
NCERT Solutions Class 7 Maths Chapter 2 Exercise 2.7 Question 1
Summary:
The value of the following: (i) 0.4 ÷ 2 (ii) 0.35 ÷ 5 (iii) 2.48 ÷ 4 (iv) 65.4 ÷ 6 (v) 651.2 ÷ 4 (vi) 14.49 ÷ 7 (vii) 3.96 ÷ 4 (viii) 0.80 ÷ 5 are (i) 0.2, (ii) 0.07, (iii) 0.62, (iv) 10.9, (v) 162.8, (vi) 2.07, (vii) 0.99, and (viii) 0.16 respectively.
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