11th maths exercie 9.3 solution part 3rd question 23 to 32

11th class English model paper solution

There are 3 parts A,B and C in a question paper of Math's, which includes 6,7 and 8 questions respectivelty. From these parts 3,4 and 5 questions respectively are to be solved. In how many ways can a student select the questions from these parts?

Metalloid in 3rd period.

The ratio of the velocity of electron in 3rd and 5th orbit of hydrogen atom is

One litre of a solution contains 18.9 gm of HNO_(3) and one lire of another solution contains 3.2 gm of NaOH. In what volume ratio must these solutions be mixed to obtain a neutral solution?

n' arithmetic means are there between 4 and 36. If the ratio of 3rd and (n-2)th mean is 2:3, find the value of n.

If the 3rd and the 9th terms of an arithmetic progression are 4 and -8 respectively, which term of it is zero ?

Determine the arithmetic progression whose 3rd term is 5 and 7th term is 9.

The 26th, 11th and the last terms of an AP are, 0, 3 and -(1)/(5) , respectively. Find the common difference and the number of terms.

The sum of the binomial coefficients of the 3rd, 4th terms from the beginning and from the end of (a+ x)^n is 440 then n =