Direction: Study the following information carefully and answer the given questions.
There were some red, some green and some white balls in a bag. Probability of drawing 1 white ball from the bag is $$ {1\over 3}$$ . If there were 6 more red balls in the bag, the probability of getting 1 green ball would have been $$ {1\over 30}$$ less.

Q:

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?

• 1
  5/29
• 2
  14/87
• 3
  15/58
• 4
  28/87
• 5
  None of these