CLASS 8 TEST PAPER EXERCISE 1 A, 1B, 1C RS AGARWAL

 CLASS 8 TEST PAPER EXERCISE 1 A, 1B, 1C RS AGARWAL

QESTION 1

Fill in the blanks with the correct symbol out of 

$>,=\text{and}<$ :
$\begin{array}{ccc}\left(i\right)\frac{-3}{7}.......\frac{6}{-13}& \left(ii\right)\frac{5}{-13}.....\frac{-35}{91}& \left(iii\right)-2.......\frac{-13}{5}\\ \left(iv\right)\frac{-2}{3}........\frac{5}{-8}& & \frac{}{}\end{array}$

QUESTION 2

 Arrange the following rational numbers in descending order:

$\left(i\right)-2,\frac{-13}{6},\frac{8}{-3},\frac{1}{3}$
$\left(ii\right)\frac{-3}{10},\frac{7}{-15},\frac{-11}{20},\frac{17}{-30}$
$\left(iii\right)\frac{-5}{6},\frac{-7}{2},\frac{-13}{18},\frac{23}{-24}$
$\left(iv\right)\frac{-10}{11},\frac{-19}{11},\frac{-23}{33},\frac{-39}{44}$

QUESTION 3

Which of the following statements are true and which are false?
(i) $\frac{-3}{5}$ lies to the left of 0 on the number line.
(ii) $\frac{-12}{7}$ lies to the right of 0 on the number line.
(iii) The rational numbers $\frac{1}{3}\text{and}\frac{-5}{2}$ are on opposite sides of 0 on the number line.
(iv) The rational number $\frac{-18}{-13}$ lies to the left of 0 on the number line.

QUESTION 4

Verify the following:

(i) $(\frac{3}{4}+\frac{-2}{5})+\frac{-7}{10}=\frac{3}{4}+(\frac{-2}{5}+\frac{-7}{10})$
(ii) $(\frac{-7}{11}+\frac{2}{-5})+\frac{-13}{22}=\frac{-7}{11}+(\frac{2}{-5}+\frac{-13}{22})$

QUESTION 5

Subtract:

(i) $\frac{3}{4}$ from $\frac{1}{3}$
(ii) $\frac{-5}{6}$ from $\frac{1}{3}$
(iii) $\frac{-8}{9}$ from $\frac{-3}{5}$
(iv) $\frac{-9}{7}$ from -1

QUESTION 6

The sum of two rational numbers is $-2$. If one of the numbers is $\frac{-14}{5}$, find the other.

QUESTION 7

What number should be subtracted from $\frac{-2}{3}$ to get $\frac{-1}{6}$ ?

QUESTION 8

What number should be added to 

$\frac{-5}{8}$ so as to get $\frac{-3}{2}$?

QUESTION 9 

Express 

$\frac{-42}{98}$ as a rational number with denominator $7$

QUESTION10 

Write tables from 15 to 30

Write square from 11 to 30