Word problem on addition and subtraction of integer with answer

Check this post, if you don’t know,” how to add or subtract two or more integers “ Problem: 01 A submarine is positioned 1300m below sea level. If it ascends 450m, what is its new position? Solution:  The initial position of the Submarine is 1300m below sea level i.e   -1300m    ( Negative sign denote,” … Read more

Worksheet on interior and exterior angle of polygon with answer

Q.1 Each interior angle of a polygon is 108º. How many sides does it have? Solution: We can solve this problem in two ways  Method: 01  We know, the sum of an interior and an exterior angle in a polygon is always 180º Given: Each interior angle of a polygon is 108º ∴      … Read more

Rational number for class 8 notes

rational number for class 8

Introduction Till now, we have studied the natural number, whole number, integers, decimal, and fraction. Now in class 8, we will study a new type of number which is called” rational number”.Here is the complete Rational number class 8 notes explanation which will help you to prepare all your concepts regarding this chapter. If you … Read more