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शुद्ध रूप—---- ,वैमनस्य ,प्रामाणिक संन्यास होता है।
A bag contains 18 black and 20 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...If from a pack of 52 playing cards, 1 card is drawn at random. What is the probability that it is either a King, Queen or a Jack?
A bag contains 15 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, fin...
Ten tickets numbered 1 to 15 are placed in a box, mixed up thoroughly and then one ticket is drawn randomly. If it is known that the number on the drawn...
A bag contains 10 red books, 7 yellowbooks and 7 greenbooks . 3books are drawn randomly. What is the probability that the
A is trying to break a bulb by throwing balls at it. If he hits the bulb 4 times in every 11 throws and bulb breaks 3 times out of 7 hits, then find the...
Find the probability that a number selected at random from first hundred number is a multiple of 3 or 5?
Two schools, A and B participate in a Quiz competition. The probability of A’s winning is 3/7 and the probability of B’s winning is 3/5. Wha...
A biased six-faced dice when thrown, is thrice as likely to show an odd number than an even number. If it is thrown twice, then the probability that the...
The probability of selecting a rotten egg randomly from a basket of 1050 eggs is 0.36. What is the number of rotten eggs in the basket?