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International Dark Sky Week is held during the week of the new moon in April, when people worldwide may turn off their lights to observe the beauty of the dark sky by switching off the lights as they create negative energy and feel the night. This week is observed under the International Dark-Sky Association.
A bag contains 6 Green and 8 Red balls. One ball is drawn at random. What is the probability that the ball drawn is Red?
A number is chosen at random from first 20 natural numbers. Find the probability that the chosen number is prime.
If the letters of the word HORIZON be arranged at random, what is the probability that all the vowels are together?
A bag contains 3 Red, 3 Blue and 6 Green balls. Two balls are drawn at random. What is the probability that 1 ball is red and other is blue or 1 ball is...
In a lottery, there are 6 prizes and 30 blanks. A lottery is drawn at random. What is the probability of getting a prize?
...A bag contains 35 white and some black balls. If the probability of drawing a black ball from the bag is 1.8 times that of drawing a white ball, find th...
A bag contains 5 red flowers, 7 yellow flowers and 8 green flowers. 3 flowers are drawn randomly. What is the probability that the flowers drawn contain...
Find the probability that a number selected at random from first hundred number is a multiple of 3 or 5?
Tokens numbered 1 to 350 are in a bag. What is the probability that the Token drawn has a number which is a multiple of 6 or 7?
Karan has a 65% chance of being admitted to school L and a 55% chance at school M. His preferences are 'L', then 'M', and lastly 'N'. Assuming Karan get...