Papia has 16 marbles in her pocket. She has 8 red ones, 4 green ones and 4 blue ones. What is the minimum number of marbles she must take out of her pocket to ensure that she has one of each color? 

A     4

B    8

C    12

D     13

Solution

Correct Answer: Option D

 

 minimum number of marbles she must take out of her pocket to ensure that she has one of each color =(8+4+4+1) = 13

 

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