If ratio of number of red balls and white balls is 7 : 5, then what is – McqOptions

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1.	If ratio of number of red balls and white balls is 7 : 5, then what is the probability of drawing 2 balls such that one is red and other is white?
A.	5/29
B.	14/87
C.	15/58
D.	28/87
E.	None of these
Answer» E. None of these

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