In how many ways first and second rank in mathematics, first and second rank in physics, first rank in chemistry, and first rank in English be given away to a class of 30 students.

The correct difference between first and second order reactions is that-

In how many ways can 5 first year students and 3 second year students be seated in a row so that no two second year students may sit together ?

Sites of first, second and third moulting of Ascaris larva are

Name the first and last element in the second transition series.

Mention the names of the first member of each of first, second and third series of transition elements.

What is the ratio of the areas of the first and the second orbits of an hydrogen atom?

There are 3 positive whole numbers, the product of first and second number is 24, product of second and third number is 48 and that of first and third is 32: Let's calculate to find the three numbers.

A class has 175 students following is the description showing the number of students studying one or more of the following subjects in this class mathematics 100 physics 70 chemistry 46 mathematics and physics 30 mathematics and chemistry 28 physics and chemistry 23 mathematics physics and chemistry 18.how many students are enrolled in mathematics alone physics alone and chemistry alone?are there students who have not offered any of these three subjects.