NCERT Solutions for Class 7 Maths Exercise 2.7
NCERT Solutions for Class 7 Maths Exercise 2.7 Chapter 2 Fractions and Decimals in simple solutions are given here. Class 7 Fractions and Decimals NCERT Exercise 2.7 of NCERT Solutions for Maths Class 7 Chapter 2 contains all the topics containing the basic information of Fractions. Class 7 Fractions and Decimals NCERT Exercise 2.7 provide students the study of fractions including proper, improper and mixed fractions as well as their addition and subtraction. NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals ex 2.7 provides necessary material for solving different range of questions that test the students capability of understanding the concepts. It also helps the students of CBSE Class 7 Maths students
Q1. Find:
(i) 0.4 ÷ 2
Solution:-
0.4 ÷ 2 = 0.2
(ii) 0.35 ÷ 5
Solution:-
0.35 ÷ 5 = 0.07
(iii) 2.48 ÷ 4
Solution:-
2.48 ÷ 4= 0.62
(iv) 65.4 ÷ 6
Solution:-
65.4 ÷ 6 = 10.9
(v) 651.2 ÷ 4
Solution:-
651.2 ÷ 4= 162.8
(vi) 14.49 ÷ 7
Solution:-
14.49 ÷ 7 = 2.07
(vii) 3.96 ÷ 4
Solution:-
3.96 ÷ 4 = 0.99
(viii) 0.80 ÷ 5
Solution:-
0.80 ÷ 5 = 0.16
Q2. Find:
(i) 4.8 ÷ 10
Solution:-
4.8 ÷ 10 = 0.48
(ii) 52.5 ÷ 10
Solution:-
52.5 ÷ 10= 5.25
(iii) 0.7 ÷ 10
Solution:-
0.7 ÷ 10 = 0.07
(iv) 33.1 ÷ 10
Solution:-
33.1 ÷ 10 = 3.31
(v) 272.23 ÷ 10
Solution:-
272.23 ÷ 10 = 27.223
(vi) 0.56 ÷ 10
Solution:-
0.56 ÷ 10 = 0.056
(vii) 3.97 ÷10
Solution:-
3.97 ÷ 10 = 0.397
Q3. Find:
(i) 2.7 ÷ 100
Solution:-
2.7 ÷ 100= 0.027
(ii) 0.3 ÷ 100
Solution:-
0.3 ÷ 100 = 0.003
(iii) 0.78 ÷ 100
Solution:-
0.78 ÷ 100 = 0.0078
(iv) 432.6 ÷ 100
Solution:-
432.6 ÷ 100 = 4.326
(v) 23.6 ÷100
Solution:-
23.6 ÷ 100= 0.236
(vi) 98.53 ÷ 100
Solution:-
98.53 ÷ 100 = 0.9853
Q4. Find:
(i) 7.9 ÷ 1000
Solution:-
7.9 ÷ 1000 = 0.0079
(ii) 26.3 ÷ 1000
Solution:-
26.3 ÷ 1000 = 0.0263
(iii) 38.53 ÷ 1000
Solution:-
38.53 ÷ 1000= 0.03853
(iv) 128.9 ÷ 1000
Solution:-
128.9 ÷ 1000 = 0.1289
(v) 0.5 ÷ 1000
Solution:-
0.5 ÷ 1000 = 0.0005
Q5. Find:
(i) 7 ÷ 3.5
Solution:-
7 ÷ 3.5 = 2
(ii) 36 ÷ 0.2
Solution:-
36 ÷ 0.2 = 180
(iii) 3.25 ÷ 0.5
Solution:-
3.25 ÷ 0.5 = 6.5
(iv) 30.94 ÷ 0.7
Solution:-
30.94 ÷ 0.7 = 44.2
(v) 0.5 ÷ 0.25
Solution:-
0.5 ÷ 0.25 = 2
(vi) 7.75 ÷ 0.25
Solution:-
7.75 ÷ 0.25 = 31
(vii) 76.5 ÷ 0.15
Solution:-
76.5 ÷ 0.15 = 510
(viii) 37.8 ÷ 1.4
Solution:-
37.8 ÷ 1.4 = 27
(ix) 2.73 ÷ 1.3
Solution:-
2.73 ÷ 1.3 = 2.1
Q6. A vehicle covers a distance of 43.2 km in 2.4 litres of petrol. How much distance will it cover in one litre of petrol?
Solution:-
Total distance covered by vehicle in 2.4 litres of petrol = 43.2 km
Distance covered in 1 litre of petrol = 43.2 ÷ 2.4 = 18 km
∴Total distance covered in 1 liter of petrol is 18 km.