Class10th school 9 Marc 0pen 2022

Class 7th ch 1 notes

Electricity - 3 |Class - 10th Physics| Science Chapter 12| CBSE NCERT | Rajesh Suthar Sir

Class 10 Maths Ex 9.1 examples (Part 2) Ch 9 Some Applications of Trigonometry (Heights & Distances)

In Class XI of a school 40% of the students study Mathematics and 30% study Biology. 10% of the class study both Mathematics and Biology. If a student is selected at random from the class, find the probability that he will be studying Mathematics or Biology.