Bunuel wrote:
30 percent of tourists ride bicycles and have beverages. If 60 percent of the tourists riding bicycles do not have beverages, what percent of the total number of tourists are without bicycles?
(A) 10%
(B) 20%
(C) 25%
(D) 30%
(E) 40%
Let the total number of tourists riding bicycles = X
60 percent of the tourists riding bicycles do not have beverages
--> 40% of the tourists riding bicycles have beverages = 30 (Given)
--> 40% of X = 30
--> 40/100*X = 30
--> X = 30*100/40 = 75
X + Y = 100
--> Y = 100 - X = 100 - 75 = 25
Total number of tourists without bicycles = 25%
IMO Option C
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