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Q. What is the probability of getting a Royal Flush?
Ans.
Five cards are picked from a standard deck of 52 cards. How many different hands of five cards are possible? What is the probability of getting a Royal Flush?
Solution: We are choosing 5 objects, r = 5, from 52, n = 52, and we are not interested in the order in which they are picked. Thus, the number of different hands is
There are over 2 million possible hands!
A Royal Flush is a set of five cards: 10, Jack, Queen, King and Ace, all the same suit. Since there are 4 suits, there are only 4 possible Royal Flush hands. Thus,
That is very small! The length of a typical bacterium is about , the same order of magnitude!
what is number of quadratic equation that are unchanged by squaring their roots is There are four such cases x 2 =0 root 0 (x-1) 2 =0 root 1 x(x+1)=0 roots 0 and 1
INTRODUCTION : When a child of seven isn't able to solve the sum 23+9, what could the reasons be? When she is asked to subtract 9 from 16, why does she write 9 - 16 = 13 ?
show that all primes except 2, are of the form 4n-1 or 4n+1
There is one final topic that we need to address as far as solution sets go before leaving this section. Consider the following equation and inequality.
R is called as a transitive relation if (a, b) € R, (b, c) € R → (a, c) € R In other terms if a belongs to b, b belongs to c, then a belongs to c. Transitivity be uns
4532087*65435679=?
(3+x)(3-x)
A wholesaler allows a discount of 20% on the list price to a retailer. The retailer sells at 5% discount on the list price.If a customer paid Rs 114 for an article,what profit is m
how to find relative extrema at the indicated interval of the following functions and how to sketch it?
Substitution Rule Mostly integrals are fairly simple and most of the substitutions are quite simple. The problems arise in correctly getting the integral set up for the substi
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