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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

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

10. 1/ 4  as per cent is

12. Out of 40 children in a class, 10 are boys. What is the percentage of boys?

13. What is 5% of 200?

14. The interest on a sum of ₹ 2500 for 4 years at the interest rate 4% is

15. Meenu purchased an item for ₹ 800 and sold the same for ₹ 1000. The gain percentage is