Circles exercise 10.2 question 3 and question 4

Q4 exercise- 2.1

class 10 exercise 8.4 question 4 part 1and2

A question bank has questions of Physics and Chemistry. The number of questions of Chemistry are 3.5 times the number of questions of Physics. If there are 90 questions in the question , bank find the number of questions of Physics and Chemistry in the question bank .

Class 10 Exercise 10.2 Question 1 | CBSE Class 10 Ex -10.2 Q1 | NCERT | Class 10 Maths Chapter 10

There are 10 questions, each question is either True or False. Number of different sequences of incorrect answer is also equal to

The number of all possible selections of one or more questions from 10 given questions, each question having an alternative is :