Next Chapter 2 : Linear Equations in One Variable >>

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**Exercise 1.1 : ** Solutions of Questions on Page Number : **14**

Next Chapter 2 : Linear Equations in One Variable >>
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**Exercise 1.2 : ** Solutions of Questions on Page Number : **20**

Next Chapter 2 : Linear Equations in One Variable >>

Q1 :
**
**

Using appropriate properties find:

(i)

(ii)

**Answer :**

(i)

(ii)

(By commutativity)

Answer needs Correction? Click Here

Q2 :
**
**

Write the additive inverse of each of the following:

(i) (ii) (iii) (iv) (v)

**Answer :**

(i)

Additive inverse =

(ii)

Additive inverse =

(iii)

Additive inverse =

(iv)

Additive inverse

(v)

Additive inverse

Answer needs Correction? Click Here

Q3 :
**
**

Verify that
- ( - *x*)
= *x* for.

(i) (ii)

**Answer :**

Q4 :
**
**

Find the multiplicative inverse of the following.

(i) (ii) (iii)

(iv) (v) (vi) - 1

**Answer :**

Q5 :
**
**

Name the property under multiplication used in each of the following:

(i)

(ii)

(iii)

**Answer :**

Q6 :
**
**

Multiply by the reciprocal of.

**Answer :**

Q7 :
**
**

Tell what property allows you to compute.

**Answer :**

Q8 :
**
**

Is the multiplicative inverse of? Why or why not?

**Answer :**

Q9 :
**
**

Is 0.3 the multiplicative inverse of? Why or why not?

**Answer :**

Q10 :
**
**

Write:

(i) The rational number that does not have a reciprocal.

(ii) The rational numbers that are equal to their reciprocals.

(iii) The rational number that is equal to its negative.

**Answer :**

Q11 :
**
**

Fill in the blanks.

(i) Zero has __________ reciprocal.

(ii) The numbers __________ and __________ are their own reciprocals

(iii) The reciprocal of - 5 is __________.

(iv) Reciprocal of, where is __________.

(v) The product of two rational numbers is always a __________.

(vi) The reciprocal of a positive rational number is __________.

**Answer :**

Q1 :
**
**

Represent these numbers on the number line.

(i) (ii)

**Answer :**

Q2 :
**
**

Represent on the number line.

**Answer :**

Q3 :
**
**

Write five rational numbers which are smaller than 2.

**Answer :**

Q4 :
**
**

Find ten rational numbers between and.

**Answer :**

Q5 :
**
**

Find five rational numbers between

(i)

(ii)

(iii)

**Answer :**

Q6 :
**
**

Write five rational numbers greater than - 2.

**Answer :**

Q7 :
**
**

Find ten rational numbers between and.

**Answer :**

Maths - NCERT Solution - Maths : CBSE ** NCERT ** Exercise Solutions for Class 8th for ** Rational Numbers ** ( Exercise 1.1, 1.2 ) will be available online in PDF book form soon. The solutions are absolutely Free. Soon you will be able to download the solutions.

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