A. 4/11
B. 1
C. 2/33
D. 19/66
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Related Mcqs:
- A person ordered 5 pairs of black socks and some pairs of brown socks. The price of a black pair was thrice that of a brown pair while preparing the bill the bill clerk inter-changed the number of black and brown pairs by mistake which increased the bill by 100% what was the number of pair of brown socks in the original order?
- A. 10 B. 15 C. 20 D. 25...
- A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?
- A. 17/91 B. 33/91 C. 51/91 D. 65/91...
- A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?
- A. 1/455 B. 2/455 C. 1/91 D. 4/455...
- A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?
- A. 3/22 B. 4/21 C. 2/21 D. 1/14...
- A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is__________?
- A. 25/42 B. 9/20 C. 10/23 D. 41/42...
- A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
- A. 4/9 B. 5/9 C. 7/9 D. 8/9...
- A coin is tossed live times. What is the probability that there is at the least one tail?
- A. 31/32 B. 1/16 C. 1/2 D. 1/32...
- A bag contains 7 green and 8 white balls. If two balls are drawn simultaneously, the probability that both are of the same colour is -.
- A. 8/15 B. 2/5 C. 3/5 D. 7/15...
- A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.
- A. 62/63 B. 125/126 C. 1/63 D. 1/126...
- What is probability of drawing two clubs from a well shuffled pack of 52 cards?
- A. 13/51 B. 1/17 C. 1/26 D. 13/17...
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