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A basket contains 10 red ball and 15 white ball. out of which 3 red and 4 white balls are damaged. If two balls selected at random, what is the probability that either both are white balls or both are not damaged? A) 203/435 B) 313/300 C) 317/400 D) 203/300 E) None
Please correct the option of above questions. It is D
A box contains tickets numbered from 1 to 16. 3 tickets are to be chosen to give 3 prizes. What is the probability that at least 2 tickets contain a number which is multiple of 4? A) 19/240 B) 11/240 C) 43/250 D) 9/80 E) None
Please correct the option of above question. It is E (19/140)
2 comments:
A basket contains 10 red ball and 15 white
ball. out of which 3 red and 4 white balls
are damaged. If two balls selected at
random, what is the probability that either
both are white balls or both are not
damaged?
A) 203/435
B) 313/300
C) 317/400
D) 203/300
E) None
Please correct the option of above questions. It is D
A box contains tickets numbered from 1 to
16. 3 tickets are to be chosen to give 3
prizes. What is the probability that at least
2 tickets contain a number which is
multiple of 4?
A) 19/240
B) 11/240
C) 43/250
D) 9/80
E) None
Please correct the option of above question. It is E (19/140)
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