**ML Aggarwal CBSE Solutions Class 7 Math 7th Chapter Ratio and Proportion Exercise 7.3**

**(1) 6 bowls cost Rs. 90. What would be cost of 10 such bowls?**

**(2) Ten pencils cost Rs. 15. How many pencils can be bought with Rs. 72?**

**(3) 400 grams cake costs 80 rupees. How much would a 1.5 kg cake cost?**

**SOLUTION Number 1 2 & 3:**

**(4) A man earns Rs. 18000 in 3 months.**

**(i) How much time would he take to earn Rs. 30000?**

**(ii) How much money will he earn in 7 months?**

**(5) 12 mangoes weigh 2.4 kg. What is the weight of 8 mangoes?**

**(6) If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weigh 5/2 kilograms?**

**SOLUTION Number 4, 5 & 6:**

**(7) A bus consumes 25 litres of diesel in covering a distance of 90 kilometres. How much diesel is needed to cover 288 kilometres?**

**(8) If 4/5 metre cloth costs Rs. 36, find the cost of 11/5 metres of cloth.**

**(9) If 15 men can pack 540 parcels per day, how many men are needed to pack 396 parcels per day?**

**(10) Which is a better buy: 12 kg potatoes for Rs. 132 or 16 kg potatoes for Rs. 168?**

**SOLUTION Number 7, 8, 9 & 10:**