Proportional Reasoning 1 Class 8 Fill in the blanks
easyProportional Reasoning 1 Class 8 Fill in the blanks
Proportional Reasoning 1 Class 8 Fill in the blanks
Question 1.
A ratio is a form of comparison by __________ .
Answer:
division
Question 2.
20 m : 70 m = ₹ 8 : ₹ ______________.
Answer:
28
Question 3.
There is a number in the box
such that
, 24, 9, 12 are in proportion. The number in the box is _________ .
Answer:
18
Question 4.
If two ratios are equal, then they are in _________ .
Answer:
proportion
Question 5.
10 g of caustic soda dissolved in 100 mL of water makes a solution of caustic soda. Amount of caustic soda needed for 1 litre of water to make the same type of solution is ________ .
Answer:
100 g.
Proportional Reasoning 1 Class 8 True or False
Question 1.
27 cm² : 57 cm² = 18 cm : 38 cm
Answer:
True
Question 2.
5 kg : 7.5 kg = ₹ 7.50 : ₹ 5
Answer:
False
Question 3.
20 g : 100 g = 1 metre : 500 cm
Answer:
True
Question 4.
12 hours : 30 hours = 8km : 20km
Answer:
True
Question 5.
The ratio of 10 kg to 100 kg is 1:10
Answer:
True
Proportional Reasoning 1 Class 8 Matching the Following
Match the Column I with Column II.
| Column I | Column II |
| (i) 40 persons : 200 persons | (a) 20 : 44 |
| (ii) 45 km : 60 km | (b) 4 : 32 |
| (iii) 45 kg : 99 kg | (c) 15 : 75 |
| (iv) 25 cm : 2 m | (d) 6 : 20 |
| (v) 75 litres : 250 litres | (e) 12 : 16 |
Answer:
(i) - (c)
(ii) - (e)
(iii) - (a)
(iv) - (b)
(v) - (d).