Q1. Find the ratio of 2.4 m to 150 cm.
(a) 4:5
(b) 8:5
(c) 5:8
(d) 12:15
Q2. Simplify the ratio 42 : 70.
(a) 3:5
(b) 6:10
(c) 21:35
(d) 2:3
Q3. Which ratio is larger: 7:12 or 9:16?
(a) 7:12
(b) 9:16
(c) Both are equal
(d) Cannot be compared
Q4. If 12 : x = 9 : 15, find x.
(a) 18
(b) 20
(c) 12
(d) 10
Q5. The cost of 5 notebooks is ₹120. What is the cost of 8 notebooks?
(a) ₹160
(b) ₹180
(c) ₹192
(d) ₹200
Q6. Simplify the ratio
Q7. Divide ₹840 in the ratio 2 : 5.
Q8. Are the ratios 14:21 and 20:30 equal?
Q9. In a proportion, 18 : x :: 12 : 16. Find x.
Q10. 7 kg of rice costs ₹490. Find the cost of 3 kg of rice.
Q11. If 14 bags of rice weigh 112 kg, how many bags of rice will weigh 168 kg?
Q12. A ribbon 210 cm long is cut into two parts in the ratio 4 : 3. Find the length of each part.
Q13. A shop sells apples at a constant price. If 6 kg cost ₹270, find:
(i) the cost of 9 kg
(ii) how many kilograms can be bought for ₹200.
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1. What is the definition of ratio and how is it used in everyday life? | ![]() |
2. How do you solve problems involving proportions? | ![]() |
3. Can you explain the unitary method and give an example? | ![]() |
4. What are the differences between a ratio and a proportion? | ![]() |
5. How can understanding ratios and proportions help in real-life situations? | ![]() |