National fruit of England is apple. Similarly, national fruit of Iran is pomegranate.
24 defective pens are accidentally mixed with 120 good ones. It is not possible to just look at a pen and tell whether or not it is defective. On...
A container holds 15 orange, 9 purple, and 6 gray balls. If 2 balls are picked at random without replacement, find the probability that the first ball i...
A coin is tossed four times one by one. What is the probability of getting a tail for the first time, head for the second time and again head for the th...
There are two bags P and Q. Bag P contains 5 Yellow and 6 Green balls while bag Q contains 6 Yellow and 5 Green balls. As a part of an experiment, a fai...
A bag contains 24 white and some black balls. If the probability of drawing a black ball from the bag is 1.5 times that of drawing a white ball, ...
The probability of rain occurring on Monday is 1/8 , and the probability of no rain on Tuesday is 3/7 . What is the probability that it will rai...
A bag contains a certain number of fruits of three varieties: apple, orange, and banana. The total number of apples and oranges is 13, which is 5 more t...
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?
P and Q together started a business with initial investment in the ratio of 1:4, respectively. The time-period of investment for P and Q is in the ratio...
Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond?
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