Std 8 maths ch 6 || ભાગ=૧૫|| standard 8 maths ch 6 in gujarati || Class 8 maths ch 6 || Child Guruji

Std 8 maths ch 5 || standard 8 maths chapter 5 in gujarati||class 8 maths ch 5||ભાગ=૪|| Child Guruji

The standard deviation of data 6,5,9,13,12,8 and 10 is

The standard deviation of data 6,5,9,13,12,8 and 10 is

The standard deviation of data 6,5,9,13,12,8 and 10 is

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 ?

Class 10 ncert maths solution exercise 8.1 Qn o. 1

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

In a school, 21 student read Maths, 26 reads Physics and 29 read Chemistry. If 14 students read Maths and Physics, 15 read Physics and Chemistry, 12 read Chemisry and Maths and 8 read all three subjects, then find the total students in the school.