A 5 member committee is to be chosen from 15 students and 10 teachers. Determine the probability of each of the following events. 

a) the committee will have at least one student AND at least two teachers.

English

English 11

After discount of 15 percent on the market price of an article

Sample space what

Maths and english

It is wrong answer 

It is wrong

1. For what value of k and m is (19^k-3^k)(18^m-11^m) divisible by 112.
   

Exercise 1.2 class 10 of maths with questions

4 sine inverse x cos inverse x=pi

Logarithms

in a survey of80 pepple it was found that 25 reads dainik jagran 26 reads amar ujala , 26 reads hindustan times 9 read both dainik jagran , and amar ujala , 11 read amar ujala and hindustan times , 8 reads hindustan times and dainik jagran , 3 real all three news paper find. Q1. None of them
Q2. atleast one news paper 

Q3. exactly one newspaper

Why we should minus 8

What is the probability of getting 2 boys and 2 girls in a family consist of 4 children?

If the point 3,4 lies on the graph of the equation 3y=ax+7

Least number that is divisible by all number between 1and 10