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11 Dec 2005, 06:34
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A has red marbles and B does blue marbles. The total weight of A's red marbles is 17% more than that od B's blue marbles. And also the no. of A's red marbles is 10% less than that of B's blue marbles. How many percent of ratio of the weight to one marble is red marble more than blue marble?
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11 Dec 2005, 13:20
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Total Blue Marbles = x
Thus, Total Red Marbles = 1.17x
Weight of Blue marble = y
Thus, weight of Red marble = y-10% = 0.90y
Total weight of B = x*y
Total weight of R = 1.17x*0.90y
ratio of R:B = (1.17x*0.90y)/xy
= 1.17*0.90
= 1.053
Am I right?
Thus, Total Red Marbles = 1.17x
Weight of Blue marble = y
Thus, weight of Red marble = y-10% = 0.90y
Total weight of B = x*y
Total weight of R = 1.17x*0.90y
ratio of R:B = (1.17x*0.90y)/xy
= 1.17*0.90
= 1.053
Am I right?
11 Dec 2005, 14:07
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Wr*Nr=1.17 Wb*Nb
also Nr = .9 Nb
Wr/Wb= 117/90=13/10
(Wr-Wb)/Wb= 3/10*100= 30%
also Nr = .9 Nb
Wr/Wb= 117/90=13/10
(Wr-Wb)/Wb= 3/10*100= 30%
