Sam and his friends were playing with marbles. Out of the 10 marbles that Sam had, 4 were blue and the rest, black. The following are the statements made by Sam and his friends about Sam’s marbles.
Sam – The ratio of blue marbles to black marbles is 4:6
Megh - of Sam’s marbles are blue.
Avi – 40% of Sam’s marbles are blue.
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if Tom has x marbles then Sam has 5x
Sam gives 26 marbles to Tom;
5x-26=x+26
5x-x=26+26
4x=52
x=13
so Megh has 13 marbles,sam has 65
total marbles=78
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