41. Two friends A and B apply for a job in the same company. The chances of A getting selected is $$\frac{{2}}{{5}}$$ and that of B is $$\frac{{4}}{{7}}$$. What is the probability that both of them get selected?
42. On rolling a dice 2 times, the sum of 2 numbers that appear on the uppermost face is 8. What is the probability that the first throw of dice yields 4?
43. Two dice are thrown simultaneously. What is the probability of getting the sum of the face number is odd?
44. In a school, 45% of the students play football, 30% play volleyball and 15% both. If a student is selected at random, then the probability that he plays football or volleyball is:
45. Two unbiased coins are tossed. What is probability of getting at most one tail ?
46. In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green?
47. Bag contain 10 black and 20 white balls, One ball is drawn at random. What is the probability that ball is white
48. A box contains 3 white, 4 red and 7 blue erasers. If five erasers are taken at random then the probability that all the five are blue color is:
49. Find the probability that getting 4 digit number with 1 in the unit place and 2 in the tens place when the numbers 1, 2, 3, 4 and 5 are arranged at random without repeating.
50. Two dice are thrown simultaneously. What is the probability of getting the face numbers are same?
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