Mr. Beans visited a magic shop and bought some magical
marbles of different colours along with other
magical items. While returning home whenever he saw a
coloured light, he took out marbles of similar
colours and counted them. So he counted the pink coloured
marbles and found that he has bought 25 of
them. Then he counted 14 green marbles and then 21 yellow
marbles. He later counted 30 purple coloured
marbles with him. But when he reached a crossing, he looked
at a red light and started counting red marbles
and found that he had bought 23 Red marbles. As soon as he
finished counting, it started raining heavily
and by the time he reached home he was drenched. After
reaching home he found that the red, green and
yellow marbles had magically changed colours and became
white, while other marbles were unchanged. It
will take 1 day to regain its colours, but he needs to give
atleast one pair of marbles to his wife now. So
how many white marbles must be choose and give to his wife
so as to ensure that there is atleast one pair of
red, yellow and green marbles ?
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