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«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 refrigerater bought for 12,000 and sold at = 13,500., , (c) Acupboard bought for 2,500 and sold at = 3,000., , (d) Askirt bought for % 250 and sold at? 150., , . Convert each part of the ratio to percentage:, , (a) 3:1 (b) 2:3:5 (c) 1:4 (d) 1:2:5, , . The population of a city decreased from 25,000 to 24,500. Find the percentage, decrease., , . Arun bought a car for = 3,50,000. The next year, the price went upto, %3,70,000. What was the Percentage of price increase?, , . IbuyaT.V. for® 10,000 and sell it at a profit of 20%. How much money dol get for, it?, , . Juhi sells a washing machine for 13,500. She loses 20% in the bargain. What was, the price at which she bought it?, , , , ~ (i) Chalkcontains calcium, carbon and oxygen in the ratio 10:3:12. Find the percentage, of carbon in chalk., , (i) Ifinastick of chalk, carbon is 3g, what is the weight of the chalk stick?