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Let the total population of the village be 100x. And the population casted valid votes = 75x According to question, => Winning candidate A = 8/7 of B => A/B = 8/7 Now, 15 -------75x => 8 ------ 40x => 7 ------- 35x Required % = (40x/100x) x 100 = 40%
P, Q, R and S can do a piece of work in 20 days. If P and Q together can do it in 50 days, and R alone in 60 days, then in how many days can S alone do it?
Efficiency of A, and B are in the ratio of 3 : 4. If both can do a work together in 30 days. Find out how much days A will take to complete the work alone?