Find ratio of number of students participated in sports B and C together in 2011 to number of students participated in sports A and E together in 2012.
Required ratio = (40+30) : (50+55) = 70:105 = 2:3
Arun saves 30% of his salary while Gagan saves 32%. If both get the same salary and Gagan saves Rs. 1600, find the savings of Arun?
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