Dhoran 7 Gujarati Paper Solution April 2022 || Std 7 Varshik Pariksha 2022

Find the solution of 2x-3=7

t 7T Thus,solution set is xe,

The average of 7 consecutive numbers is 20 . The largest of these numbers is (a) 2022quad (c)23quad (d)24

Find the solution of x + y = 3 and 7x + 6y = 2.

The pH of a solution is 7.5 . The solution is

The solution of the equation - p/7 =3 is

Can a neutral solution have pH equal to 7 at all the temperature ?