Two dice are rolled together. The probability of getting sum of numbers on the two dice as 2, 3 or 5, is :
Two coins are tossed simultaneously. The probability of getting atleast one head is
In an experiment of throwing a die, Assertion (A) : Event E₁ : getting a number less than 3 and Event E₂ : getting a number greater than 3 are complementary events. Reason (R) : If two events E and F are complementary events, then P(E) + P(F) = 1.
The probability of getting a composite number greater than 3 on throwing a die is
The number of red balls in a bag is 10 more than the number of black balls. If the probability of drawing a red ball at random from this bag is 3/5, then the total number of balls in the bag is :
The probability of guessing the correct answer of a certain test question is x/12. If the probability of not guessing the correct answer is 5/6, then find the value of x.
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