Six friends S, T, U, V, W and X, have exam on six different days, starting from Monday and ending on Saturday, of the same week in the month. X has exam on Wednesday. Two people have exam between W and T. U has exam before X. S has exam before W. How many people have exam between V and U?
In a bag, there are three different colour balls namely red, yellow and white. The sum of the number of yellow and red balls in the bag is equal to the ...
"A piggy bank comprises 5-rupee coins, 10-rupee coins, and 20-rupee coins. The quantity of 5-rupee coins in the piggy bank is 75% more than the number o...
If n(A) = 25, n(B) = 40 and n(A ∪ B) = 50, then n(A ∩ B) equals
Determine the probability that when a hand of 7 cards is drawn from a box of 52 cards, it consists at least 3 kings?
Two cards are drawn from a pack of 52 cards. The probability that 1 is Ace and 1 is Queen is?
In a lottery, there are 11 prizes and 22 blanks. A lottery is drawn at random. What is the probability of getting a prize?
...A bag contains 12 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, find the n...
The profit from sales, amounting to Rs. 4,200, is distributed between two salesmen, 'Amit' and 'Bheem,' in such a way that 'Amit' receives more money th...
What is the probability that the cards drawn contains 1 red card, 1 purple card and 1 yellow card?
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...
