Question-1 If P (A∩B) = ^{1} /_{3} , P(A∪B) = ^{5} /_{6} and P(A) = ^{1} /_{2} , then which of the following is correct?

Question-2 If A and B are mutually exclusive events with P(A) = ^{1} /_{2} x P(B) and AυB = S, then P(A) is equal to

Question-3 The probability that in the toss of two dice, we obtain the sum 7 or 11, is

Question-4 An integer is chosen at random from first two hundred numbers. Then, the probability that the integer chosen is divisible by 6 or 8 is

Question-5 The probability that at least one of the events A and B occurs is 0.6. If A and B occur simultaneously with probability 0.2, then is

Question-6 If the random variable X takes the values x_{1} ,x_{2} ,x_{3} ,....x_{10} with probabilities P(X = xi) = Ki then the value of K is equal to.

Question-7 A dice is thrown 100 times, getting an even number is considered a success. The variance of the number of success is

Question-8 Let A and B are two events and P(A') = 0.3, P(B) = 0.4, P(A∩B') = 0.5, then P(A∪B') is

Question-9 If P(A) = P(B) = x and P(A∩B) = P(A'∩B') = ^{1} /_{3} , then x is equal to

Question-10 If the probability of A to fail in an examination is 0.2 and that for B is 0.3, then probability that either A or B is fail, is