A can complete a work in 106 days and B can do the same work in 159 days. Working together, in how many days will they both complete the same work?
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...
