CLASS 6 Math's FRACTIONS part-1 Basic concept

Which of the following statements is correct according to the basic concepts of thermodynamics which govern the feasibility of a metallurgical process ?

In a class of 35 students, 18 students opt Maths, 12 students opt Maths but not Science. Find the number of students who opt both subjects. Also find the number of students who opt Science but not Maths. It is given that each student opt atleast one subject.

What is the basic concept of transformation experiment of Griffith:-

Class 12 maths ncert solution chapter vector algebra Ex-10.2 Qno.1

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?

Find the range of each of the following functions: (where {.} and [.] represents fractional part and greatest integer part functions respectively) f(x)=1/(1+sqrt(x))

Find the range of the following functions: (where {.} and [.] represent fractional part and greatest integer part functions respectively) f(x)=1-|x-2|