Kannan sells laddu at Rs.30 per kg. A laddu is made up of flour and sugar in the ratio of 5:3. The ratio of price of sugar and flour is 7:3 (per kg). Thus, he earns 67% profit. What is the cost price of sugar? Answer : Since, the profit is 67, so the selling price will be 167% of the cost price ∴Ratio of selling price to cost price will be 5:3 ∴Cost price of laddu =30*3/5 = 18 Let cost of flour and sugar is 3s and 7s respectively ... )/8=18 15s+21s=144 36s=144 s = 4 ∴Price of sugar = 7s = 7 4 = Rs. 28...
A seller mixes 30% water to milk and then he sells the whole mixture at the price of milk. If the cost price of water be 50% of the cost price of milk, what is the net profit percentage? Answer : Let CP of 1litre of milk = Rs.200 & CP of 1litre of water = Rs. 100 CP of solution=140+30=170 Sp of 1litre solution= 200 Profit%= (200-170)*100/170 = 17.64%...
A seller mixes 52 kg of ragi at Rs. 40 per kg with 60 kg of ragi of other variety at Rs.72per kg and sells the mixture at Rs.60 per kg. His profit percent is: Answer : C.P. of 112 kg rice = Rs. (52x 40 + 60 x 72) = Rs. (2080+4320) = Rs. 6400. S.P. of 112 kg rice = Rs. (112 x 60) = Rs. 6720 Gain=320 Gain %= 320*100/6400 Gain %=5...
Fresh grapes contains 80% of water by weight, where as dry grapes contains 50% of water by weight. Yamini buys 100kg of fresh grapes for a total price of Rs. 300. At what price should she sell the dry grapes (fresh grapes are dried up) to earn 80%profit? Answer : In fresh grapes ratio of water to grapes is 80:20= 4:1 In dry grapes ratio is = 50:50 =1:1 Weight of grapes is = 100*[1/5]= 20kg Weight of dry grapes = 20*2 =40 kg Required amount is = 300*100[180/100]/40 = Rs. 1350...
A noodles merchant buys two varieties of noodles the price of the first being twice that of the second. He sells the mixture at Rs 17.50 per kilogram thereby making a profit of 25% . If the ratio of the amounts of the first noodles ... , Rs 10 B) Rs 24, Rs 12 C) Rs 16, Rs 8 D) Rs 26, Rs 13 E) NONE Answer : Answer: A...
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