Fractions and Decimals
Question 1.
Find :
(i) 0.2 × 6
(ii) 8 × 46
(iii) 2.71 × 5
(iv) 20.1 × 4
(v) 0.05 × 7
(vi) 211.02 × 4
(vii) 2 × 0.86
Solution:

Question 2.
Find the area of a rectangle whose length is 5.7 cm and breadth is 3 cm.
Solution:

Question 3.
Find :
- 1.3 × 10
- 36.8 × 10
- 15a 7 × 10
- 168.07 × 10
- 31.1 × 100
- 156.1 × 100
- 3.62 × 100
- 43.07 × 100
- 0.5 × 10
- 0.08 × 10
- 0.9 × 100
- 0.03 × 1000
Solution:
- 1.3 × 10 = 13
- 36.8 × 10 = 368
- 153.7 × 10 = 1537
- 168.07 × 10 = 1680.7
- 31.1 × 100 = 3110
- 156.1 × 100 = 15610
- 3.62 × 100 = 362
- 43.07 × 100 = 4307
- 0.5 × 10 = 5
- 0.08 × 10 = 0.8
- 0.9 × 100 = 90
- 0.03 × 1000 = 30
Question 4.
A two-wheeler covers a distance of 55.3 km in one litre of petrol. How much distance will it cover in 10 litres of petrol?
Solution:
Distance covered in one litre of petrol = 55.3 km
Distance covered in 10 litres of petrol = (55.3 × 10) km = 553 km
Question 5.
Find:
(i) 2.5 × 0.3
(ii) 0.1 × 51.7
(iii) 0.2 × 316.8
(iv) 1.3 × 3.1
(v) 0.5 × 0.05
(vi) 11.2 × 0.15
(vii) 1.07 × 0.02
(viii) 10.05 × 1.05
(ix) 101.01 × 0.01
(x) 100.01 × 1.1
Solution:

