A jar contains marbles of four different colors . The number of blue marbles is 3 times as many as the yellow ones. The number of red marbles is half that of the yellow ones. The number of orange marbles is equal to the number of red ones . What percent of the marbles are orange colored ?
A. 10
B. 15
C. 20
D. 21.5
E. None of these
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সঠিক উত্তরঃ
A.
10
Explanation:
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