Std 8 maths ch 6 || ભાગ=૯ || standard 8 maths ch 6 in gujarati || Class 8 maths ch 6 || Child Guruji

There are 12 teachers in a school who can teach Maths or Physics. Out of these, 6 teach Maths and 4 teach Physics and Maths both. Find how many teachers teach Physics ?

There are 8 math's books and 6 science books in a almirah. In how many wayscan 4 books of each subject be selected?

Class 10 Maths | Chapter 6 | Triangles | Important Questions | Quick Revision| Part 1

Class 10 Maths | Chapter 6 | Triangles | Important Questions | Quick Revision| Part 2

Class 12 Maths | Chapter 6 | Integrals | Important Questions | Quick Revision| Part 1

In a school, students must take at least one of these subjects: Maths, Physics or Chemistry. In a group of 50 students, 7 take all three subjects. 9 take Physics and Chemistry only, 8 take Maths and Physics only and 5 take Maths and Chemistry only. Of these 50 students, x take Maths only, x take Physics only and x + 3 take Chemistry only. Draw Venn diagram, find x, and hence find the number taking Maths.

Find the mean, variance and the standard deviation for the following data : 5,9,8,12,6,10,6,8