GPSC PAPER SOLUTION PART-6

A question paper consists of two parts A and B,part A has 6 questions with one alternate each and part B has 8 questions.Find the number of ways by which one can attempt the paper when at least one question must be attempted from each part.

When the strip of pH paper was put in a given solution the pH paper changes to orange red. The given solution is most likely to be of:

JEE Advanced 2018 | Paper - 1 | Complete Solution

JEE Advanced 2018 | Paper - 2 | Complete Solution