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There are 14 boys and 6 girls giving interview for a job. If three of them are selected, then what is the probability that one of the three is a girl an...
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
Ajith engages in a game where he simultaneously tosses three coins and rolls a pair of dice. To win, he must achieve two outcomes: all three coins must ...
22 defective pens are accidentally mixed with 136 good ones. It is not possible to just look at a pen and tell whether or not it is defective. One pen i...
The probability of selecting a rotten egg randomly from a basket of 600 eggs is 0.14. What is the number of rotten eggs in the basket?
Tickets numbered 1 to 50 are mixed up and then a ticket drawn at random. What is the probability that the ticket drawn bears a number which is multipl...
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?
"A box contains 54 rubber bands in three colors: Red, Green, and Yellow. The probability of picking a green rubber band is (1/3),...
There are (m + 4) red roses, (m + 11) white roses and ‘m’ pink roses in a bag. If the probability of picking a pink rose is 5/16, then find the valu...
Out of 5 white marbles, 4 blue marbles, in how many ways we select one or more marbles?