Find the ratio of: (a) ₹ 5 to 50 paise (b) 15 kg to 210 g (c) 9 m to 27 cm (d) 30 days to 36 hours 2. In a computer lab, there are 3 computers for every 6 students. How many computers will be needed for 24 students? 3. Population of Rajasthan = 570 lakhs and population of UP = 1660 lakhs. Area of Rajasthan = 3 lakh km2 and area of UP = 2 lakh km2. (i) How many people are there per km2 in both these States? (ii) Which State is less populated? 4. Out of 15,000 voters in a constituency, 60% voted. Find the Percentage of voters who did not vote. Can you now find how many actually did not vote? 5. In a city, 30% are females, 40% are males and remaining are children. What per cent are children? 6. A local cricket team played 20 matches in one season. It won 25% of them. How many matches did they win? 7. Tell what is the profit or loss in the following transactions. Also find profit per cent or loss per cent in each case. (a) Gardening shears bought for ₹ 250 and sold for ₹ 325. (b) A refrigerator bought for ₹ 12,000 and sold at ₹ 13,500. (c) A cupboard bought for ₹ 2,500 and sold at ₹ 3,000.
