Variable And Constant Terms

Mention the variables and constant quantities in charles' law.

_______are used to connect variable and constants to form expressions

Express the following statements in the form of two simultaneous linear equations in two variables and determine whether these equations are solvable or not by the method of finding the relations among the ratios of the co-efficients of the same variables and the constant terms : Debsmita bought 3 pens and 4 pencils for Rs. 42. Her friend Nayana also bought 9 pens and a dozen of pencils for Rs. 126.

Which one of the following ratios is variable but constant for a species?

Which one of the following ratios is variable but constant for a species?

Which one of the following ratios is variable but constant for a species?

Which one of the following ratios is variable but constant for a species?

Which one of the following ratios is variable but constant for a species?