• # question_answer 20 tennis balls are put in boxes in such a way that there are 5 balls in each boxes. How many total boxes are needed to put all the tennis balls? A) 6                         B)           4 C)  5                         D)           None of these

Total number of tennis balls = 20 Each box contains 5 tennis balls. The number of boxes required to fill 20 tennis balls $=20\div 5$ Therefore 4   boxes   are required to fill 20 tennis balls and each box contain 5 tennis balls.