1. The ratio of Rs 10 to 50 paise is

2. The ratio of 6 kg to 400 g is

3. The ratio of 3 m to 60 cm is

4. The ratio of 15 days to 72 hours is

5. The ages of father and son are 45 years and 10 years. The ratio of their ages is

6. The cost of 3 envelopes is ₹ 15. Find the cost of 5 envelopes.

7. The cost of 7 kg of potatoes is ₹ 42. How many kg of potatoes can be purchased for ₹ 96?

8. The cost of 4 m of cloth is Rs 40. Find the cost of 9 m of cloth.

9. The cost of 8 pencils is ₹ 10. Find the cost of 20 pencils.

10. A motorcycle goes 120 km in 3 l of petrol. How much petrol will be required to go 600 km?