Question

Eighty-five children went to an amusement park where they could ride on the merry-go- round, roller coaster and ferris wheel. It was known that 20 of them took all three rides and 55 of them at least two of the three rides. Each ride costs rs. 1 and the total receipts of the amusement park were rs. 145. How many children took exactly one ride?

Answer 1

19 children took only one ride

Answer 2

19 children took only one ride

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