Question
In a certain code language, if ‘raghav plays hockey’
is written as ‘xfjdni rzzmo ubghzs’, then ‘arun works hard’ will be written as:Solution
The correct answer is C
Odds in favour of A passing the exam is 1 : 3 and Odds against B passing the exam is 4 : 1. What is the probability that exactly one of them will pass t...
Determine the probability that when a hand of 7 cards is drawn from a box of 52 cards, it consists at least 3 kings?
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
Tom and Jerry throw alternatively a pair of dice. Tom wins if he throws 8 before Jerry throws 7 and Jerry wins if he throws 7 before Tom throws 8. Find...
A bag contains 6 balls of which 3 are red and 3 are black. They are drawn successively without replacement. What is the probability that colors are alt...
Sita tells the truth in 80% of cases and Geeta tells the truth in 30% of cases. Find the probability that at least one of them tells the truth.
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...
Coupons numbered 1 to 10 are shuffled and one is drawn what is the probability that it bears an odd number which is also a multiple of 3?
Five squares of a chessboard are chosen at random, the probability that three are of one colour and two of another is
From a well-shuffled deck of 52 cards, two cards are drawn one after the other without replacement. What is the probability that the first card is a red...
Relevant for Exams:
