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On 16th May, 1975, Sikkim became the 22nd state of India. Every year, it marks the occasion with a holiday and a series of events.
A bag contains 9 Green and 10 Red balls. One ball is drawn at random. What is the probability that the ball drawn is Red?
If a coin is tossed 10 times then what is the probability of getting three heads?
In a lottery, there are 11 prizes and 22 blanks. A lottery is drawn at random. What is the probability of getting a prize?
...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...
A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 6.25 times that of drawing a white ball, find t...
A bag contains 6 balls of which 3 are red and 3 are black. They are drawn successively without replacement. What is the probability that colors are alt...
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 box contains 5 red, 4 blue, and 6 green balls. Two balls are drawn at random. What is the probability that both balls are green?
17 rotten bananas are accidentally mixed with 120 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
Three cards are drawn one after another with replacements from a standard deck of 52 cards. What is the probability of getting the first card a Queen, t...