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Practice Exercise 12 (A) |, , _ One litre of milk costs Rs 12. Find the cost of 3 litres of milk., , ». Ifa chair costs Rs 150, what is the cost of 2 chairs?, , 3. If one chocolate costs Rs 8, how much does 8 chocolates cost?, , :. If 6 pencils are to be bought, each costing Rs 4.50, how much will one has to pay?, , 5. If 18 kg of oil costs Rs 432, what will be the cost of 1 kg of oil?, , 5. 5 geometrical boxes costs Rs 272.50. How much is the cost of 1 geometrical box?, , 7. 8 watches cost Rs 3600. Find the cost of 1 watch., , 3. 5 tickets for a cinema cost Rs 250. Find the cost of 6 tickets., , ). The cost of 15 chairs is Rs 3240. What is the cost of 4 chairs?, , 0. The cost of 100 mangoes is Rs 160. What is the cost of 24 mangoes?, , 1. The milk bill for a family of 5 persons is Rs 720. What will be the milk for a family of 4, persons at the same rate?, , 2. A piece of 20 metres of cloth costs Rs 500. What is the cost of 7 metres of cloth?, , >. The rent of a house for a year is Rs 6000. Find the rent for 3 months., , . The cost of 10 trays of 24 eggs is Rs 144. Find the cost of 3 trays of eggs?, , <0, i ——,