Maths Chapter 1: Rational Numbers - Set 3 (Class 8)

Question 1

Additive inverse of $\frac{p}{q}$ is ?

Accepted Answer

$-\frac{p}{q}$

Answer

$pq$

Answer

$\frac{q}{p}$

Answer

$-\frac{q}{p}$

Question 2

If any number and its additive inverse is added than it become-

Accepted Answer

0

Answer

1

Answer

-1

Answer

2

Question 3

Find the additive inverse of 2,3,-4,-5 ?

Accepted Answer

-2,-3,4,5

Answer

-2,3,4,5

Answer

-2,-3,-4,-5

Answer

-2,3,-4,-5

Question 4

Find the additive inverse of 0,5,-3,-7 ?

Accepted Answer

0,-5,3,7

Answer

0,5,3,7

Answer

0,-5,-3,7

Answer

0,5,-3,7

Question 5

Find the additive inverse of$\frac{5}{7}$,$\frac{-3}{7}$,$\frac{-8}{9}$ ?

Accepted Answer

$\frac{-5}{7}$,$\frac{3}{7}$,$\frac{8}{9}$

Answer

$\frac{5}{7}$,$\frac{3}{7}$,$\frac{8}{9}$

Answer

$\frac{5}{7}$,$\frac{-3}{7}$,$\frac{8}{9}$

Answer

$\frac{5}{7}$,$\frac{-3}{7}$,$\frac{8}{9}$

Question 6

Find the additive inverse of $\frac{2}{3}$,0, $\frac{-2}{3}$

Accepted Answer

$\frac{-2}{3}$,0, $\frac{2}{3}$

Answer

$\frac{-2}{3}$,0, $\frac{-2}{3}$

Answer

$\frac{2}{3}$,0, $\frac{-2}{3}$

Answer

None of these

Question 7

If any no. multiplied by its multiplicative inverse its always give ?

Accepted Answer

1

Answer

0

Answer

-1

Answer

2

Question 8

Find the multiplicative inverse of zero ‘0’

Accepted Answer

Not defined

Answer

0

Answer

1

Answer

-1

Question 9

Find the multiplicative inverse of 5, $\frac{1}{3}$,2

Accepted Answer

$15,3,\frac{1}{2}$

Answer

$\frac{1}{5},3,\frac{1}{2}$

Answer

$-5,-\frac{1}{3}$,-2

Answer

$\frac{1}{5},3,2$

Question 10

Find the multiplicative inverse of 1,$\frac{3}{2}$,$\frac{5}{3}$

Accepted Answer

1,$\frac{2}{3}$,$\frac{3}{5}$

Answer

1,$\frac{3}{2}$,$\frac{5}{3}$

Answer

-1,$\frac{-3}{2}$,$\frac{-5}{3}$

Answer

-1,$\frac{2}{3}$,$\frac{5}{3}$

CHAPTER-1 RATIONAL NUMBERS (SET-3)

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