Std 8 maths ch 8 || Exercise 8.1 || ભાગ=3|| standard 8 maths ch 7 in gujarati|| Child Guruji

2|NCERT Exercise - 8.1|सारांश

Find the variance and standard deviation of the random variable X whose probability distribution is given below : {:(x,0,1,2,3),(P(X=x),1/8,3/8,3/8,1/8):}

In the following number series, how many times three numbers 3, 7, and 8 appear together in such a way, that the prime number comes in the middle and rest of the two numbers are arranged on either sides? "8 3 7 8 7 3 2 7 8 3 5 3 6 8 7 5 3 2 71 3 7 8 7 3 3 7 8 8 7 3 7 "

Properties 7 and 8 , Discussion Exercise 3

Class 10 Maths | Chapter 8 | Introduction to Trigonometry | Important Questions and Quick Revision

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 the following number series how many such 8s are there which are immediately preceded by a pair or number whose product is more than the product of pair of of numbers immediately following 8 ? "5 3 8 2 4 5 8 3 1 9 7 4 9 6 8 5 7 8 6 5 8 4 7 5 2 8 8 3 3 5 4 2 8 6 5 3 7 8 5 9 8 7"

Subtract 3/8 from 7/8

Class 12 Maths | Chapter 8 | Application of Integrals | Important Questions and Quick Revision

The enthalpy change of the reaction C_3H_8(g)+H_2(g) rarr C_2H_6(g)+CH_4(g) , at 25^@ , will be Given that: heat of combustion values under standard condition (The standard heat of formation of C_3H_8(g) is -103.8kJ/mol)