MIXTURE & ALLIGATION MIXING MORE THAN THREE Presented By: Abhishek Kumar
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PROBLEM.9 In what proportion may three kinds of tea of prices @ Rs. 50, Rs. 70 and Rs. 80 per kg be mixed to produce a mixture worth Rs 60 per kg Soln: 50 70 80 60 20/ 10 10 10 30 10 10 3:1:1 is the answer
PROBLEM 10: In what proportion may three kinds of rice bought @ Rs.6, Rs.10, Rs.14 per kg be mixed to produce a mixture which would earn 40% on selling it at Rs.11.20 per kg? Soln: SP= Rs.11.20 Profit=40% So, CP=11 .20*100/1 40=Rs 8 per kg 10 14 6 2 2 2 2 2 So, answer is 4:1:1
Problems Based on Profit and Loss
PROBLEM:11 A shopkeeper has 50 kgs of rice. He sells a part of it at 20% profit and the rest at 40% profit. If he gains 25% on the whole, find the quantity of each part Soln: 20% 40% 25% 15% 5% Ratio 3:1 So quantity sold at 20% profit= (%)*50=37.5 kgs And quantity sold at 40% profit= 50-375-12.5 kgs.
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UPSC Aspirant| Cleared SBI PO| Cleared BOB PO| NDA, AFCAT exam| Attended SSB thrice| Cracked SSC CHSL| Worked as Software engineer IBM