Question
Three cards are drawn randomly from a pack of 52 cards.
What is the probability that one will be black and two will be red?Solution
3 cards can be drawn from a pack of 52 cards in 52 C3  ways.
1 black card can be drawn in 26 C1  ways and 2 red cards can be drawn in 26 C2  ways.
Therefore, required probability = ( 26 C 1 Â *Â 26 C 2 ) /Â 52 C 3 Â = 13/34
Agroforestry system in which long fodder crops are grown to protect the soil, mulching and to prevent erosion.Â
Which two fishes are specifically grown for commercial purposes in Uttarakhand?
Which of the following can be most suitably be filled in blank a?
Which of the following is popularly known as queen of vegetables?
Which of the following is not included in green house gases?
What is the Sanskrit word for rice?
Weight of a soil sample with can is 210 g and dry weight with can is 180 g. Weight of empty Moisture can is 40 g. What will be moisture content of soli ...
_____________ is the most critical factor in the maintenance of seed germination and viability of seed during storage.
Regions which experienced drought in more than 40 percent of the years are______
Singapore, Kew, Queen, Mauritius are the varieties of:
Relevant for Exams:
