Question

II Answer the following as True or False ( 10 x 1 = 10) 1. 0 is a rational number? 2. There are infinite rational numbers between any two numbers. 3 .Every rational number is a real number. 4 .Each term of a polynomial has a coefficient. 5 .The degree of a non – zero constant polynomial is zero. 6. The constant polynomial 0 is called the constant polynomial. 7 .Frequency polygons can also be drawn independently without drawing histograms. 8 .The class – marks of the classes 140 – 150,150 – 160..... is 155. 9. The mean of a number of observations is the sum of the values of all the observation divided by the total number of observations. 10. When we perform an experiment it is called a trial of the experiment.

Answer 1

1.yes,0 is a rational number

2.true

3.true

4.true

5.true. nx⁰=n×1=n. n is any no

6.false

7.true

8.false

9.true

10.trial=experiment