Page 8 - Digi Notes : Maths - 11.03.2016
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%  Population Overall  600  100 12%

5000
%  Male %  Female

10% 15%

12%

3% : 2%
: B  3 : 2
G

1.Males Before  3000  3  3000
5

2.Males After  3000 110  3300
100



6. Weights of two friends Ram and Shyam are in the ratio of

4:5. Ram’s weight increases by 10% and the total weight

of Ram and Shyam together becomes 82.8 kg, with an

increase of 15%. By what percent did the weight of

Shyam increases?


4 : 5


% Weight Ram % Weight Shyam

10% x%

15%

 x 15 % : 5%

We have

x  15 4

5 5

 x  19 %

Percentage Increase in Shyam s ' Weight  19 %




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