The names of 18 students from section A, 20 students from section B and 19 students from section C were selected. The age of all the 57 students was dif...
40 pens are there in a box where 22 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blu...
A speaks truth in 75% of cases And B is 80% of cases. What is the probability that they likely to contradict each other, narrating the same incident.
In a box there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?
In a bag contains 4 one rupees coins and 3 five rupees coin. If two coins are drawn at random, find the probability of getting a one rupee coin and a fi...
Three persons. A, B and C. are given the same puzzle to solve. The probability that A, B and C will solve the puzzle is. 3/5., 2/3., and 1/4respectively...
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
If three socks are chosen at random, what is the probability that all are blue socks?
Probability of getting one Pink marble from a bag full of marbles is 3/13 and Yellow marbles in the bag are 6. If Blue marbles are 40% less than the Gre...
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...