Question
Four males A, B, C and D are sitting in a row facing
towards the North (not necessarily in the same order) and four females P, Q, R and S are sitting in a row facing towards the face of these males (not necessarily in the same order). A and D sit at the ends. R and B are facing each other. S is second to the left of R. D is facing P. P and S are at the ends. Which of the following statements is correct? I. S is facing A. II. D is second to the left of that male who is facing Q.Solution
PÂ Â Â Â Â Â Â Â Â Â Â Â RÂ Â Â Â Â Â Â Â Â Â Â Â QÂ Â Â Â Â Â Â Â Â Â Â Â S(Facing south) DÂ Â Â Â Â Â Â Â Â Â Â Â BÂ Â Â Â Â Â Â Â Â Â Â Â CÂ Â Â Â Â Â Â Â Â Â Â Â A(Facing north)
In a lottery, there are 11 prizes and 30 blanks. A lottery is drawn at random. What is the probability of getting a prize?
A bag contains cards numbered between 33 and 102. If one card is drawn from the bag, the probability that the number on the drawn card is a perfect squa...
A bag contains 5 red balls, 4 black balls and 8 white balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same c...
- A container holds 7 orange balls, 5 violet balls and 8 grey balls. Two balls are drawn at random. What is the probability that at least one of them is viol...
In a box, the ratio of green balls to yellow balls is 3:5. If 9 balls of each colour are added, the new ratio becomes 6:9.
Find the number of yel...
A bag contains 19 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the nu...
A box contains 4 red, 5 blue, and 3 green balls. Two balls are drawn at random without replacement. What is the probability that the two balls drawn are...
- A boy attended 5 lab evaluations, each having a total of 100 marks. His scores were 88, 76, 92, 81, and 70. He randomly reveals one of the scores to his fr...
Bag X contains 2 red balls and 6 blue balls, whereas bag Y contains 3 red balls and 2 blue balls. One ball is drawn at random from X and transferred in...
There are ‘x’ white balls and 5 black balls in a jar. If the probability of picking a white ball is 2/3, then calculate the probability that the two...