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find the ratio of weights of 1gm of cotton to 1.5gm of rubber if their densities are in the ratio of 1:2?

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question is wrong....
find out volume ratio?
12 years agoHelpfull: Yes(4) No(1)

1:1.5
=2:3
12 years agoHelpfull: Yes(2) No(1)

TCS Other Question

a 20ltr solution contains oil mand kerosene in the ratio 3:5. if 4lts of themixture is replaced with 4lts of kerosene .what will be the ratio of oil and kerosene? a sum of rs.8.25 is made up of 100 coins which are either 10 paise or 5 paise . find the ratio of coins?