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Thanks friends I have got the definition of surjective function and into function

but How can i solve my questions.

please help

Thanks

**juantheron**- Replies: 5

If A = {1,2,3,4,5,6} and B = {a,b,c,d,e}. Then Total no. of

(1) onto function from A to B

(2) into function from A to B

(3) Constant function from A to B

Explanation Required

Thanks

**juantheron**- Replies: 3

Suppose two houses in a thousand catch fire in a year and there are 2000 houses in a village. what is the probability that

(i) none of the houses catch fire

(ii) at least one house catch fire?please explain

**juantheron**- Replies: 86

A and B alternately throw a die....The numbers they get on their throws are individually added......the first person to get a overall sum of 10 wins....what is the probability that A wins the game given that it is the first to start the game

**juantheron**- Replies: 0

A family has two children. Assume that birth month is independent of gender,

with boys and girls equally likely and all months equally likely, and assume that the

elder childs characteristics are independent of the younger childs characteristics).

What is the probability that both are girls, given that at least one is a girl who was

born in March.

Thanks Bobbym and anonimnystly

Yes Bobbym you are Right

but would you like to explain it to me

Thanks

Yes John E. Franklin you are Right

i have also get it

Thanks

**juantheron**- Replies: 4

There are 6 couples (12 people). 4 people are selected at random. What is the probability that exactly one couple will be selected

Thanks Bobbym how can you get it

explanation plz

**juantheron**- Replies: 3

find no. of digit in 2^2^(22)

**juantheron**- Replies: 33

the number of ordered pairs of positive integers x,y such that x^2 +3y and y^2 +3x are both perfect squares

Thanks member for heavy and Nice discussion

means

Thanks anonimnystefy

How can I take generating function here

explanation required.

yes

would you like to explain it to me

**juantheron**- Replies: 5

If a Set A consists of n- distinct elements, then total no. of onto function from A to A is

**juantheron**- Replies: 27

the number of combinations that can be made by taking 4 letters of the word COMBINATION

Thanks friends but would you like to explain it to me

Thanks anonimnystefy

got it

Thanks bobbym and anonimnystely

i want explanation for the line

You can get the exact opposite of a diagonal matrix for that. The main giagonal is all zeros and the rest are ones.

to bobbym

what is Hadamard's bound

Thanks

**juantheron**- Replies: 4

maximum value of 3rd order determinant whose element are choosen from the set {0,1}

Thanks anonimnystefy

would you like to explain me the meaning of cardanility

Thanks

**juantheron**- Replies: 123

The sum of all the no. that can be formed using the digit

without repetition is**juantheron**- Replies: 5

Let S={1,2,3,..........n}.If x denotes the set of all subsets of S containing exactly two elements having 1 as least element,then what is the cardinality of X