Answers

2014-06-08T18:30:13+05:30
I am not sure of my answer
ratio=5:6:7
sum=5+6+7=18
ratio given=5:6:7
total number of coins=135
6/18*135=45
answer=45
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2014-06-08T18:37:52+05:30
Let the 1 rs be x
         50 p be y
         25p be  z
a.t.q.
5x+6y+7z=135
x=135-6y-7z%5      eq1
y=135-5x-7z%6      eq2
hence
         by putting value of x in eq2
2 3 2