PSEB 7th Class Maths MCQ Chapter 9 Rational Numbers

Punjab State Board PSEB 7th Class Maths Book Solutions Chapter 9 Rational Numbers MCQ Questions with Answers.

PSEB 7th Class Maths Chapter 9 Rational Numbers MCQ Questions

Multiple Choice Questions :

Question 1.
Look at the above number line and tell which of the following values is the greatest.
(a) a + b
(b) b – a
(c) a × b
(d) a ÷ b
Answer:
(a) a + b

Question 2.
The product of a rational number and its reciprocal is always :
(a) -1
(b) 0
(c) 1
(d) equal to itself.
Answer:
(c) 1

Question 3.
Which of the following is not an natural number ?
(a) 0
(b) 2
(c) 10
(d) 105.
Answer:
(a) 0

Question 4.
The ascending order of $\frac{-3}{5}, \frac{-2}{5}, \frac{-1}{5}$ is :
(a) $\frac{-1}{5}<\frac{3}{5}<\frac{2}{5}$
(b) $\frac{-3}{5}<\frac{-2}{5}<\frac{-1}{5}$
(c) $\frac{-3}{5}<\frac{-1}{5}<\frac{-2}{5}$
(d) $\frac{-2}{5}<\frac{-3}{5}<\frac{-1}{5}$
Answer:
(b) $\frac{-3}{5}<\frac{-2}{5}<\frac{-1}{5}$

Question 5.
Write $\frac {1}{4}$ as a rational number with 4 denominator 20.
(a) $\frac{2}{20}$
(b) $\frac{3}{20}$
(c) $\frac{5}{20}$
(d) $\frac{4}{20}$
Answer:
(c) $\frac{5}{20}$

Question 6.
The value of $\frac{-13}{7}+\frac{6}{7}$ :
(a) $\frac{19}{7}$
(b) $\frac{-7}{7}$
(c) $\frac{7}{7}$
(d) None of these
Answer:
(b) $\frac{-7}{7}$

Question 7.
The additive inverse of $\frac{-9}{11}$ is :
(a) $\frac{9}{11}$
(b) $\frac{-9}{11}$
(c) $\frac{11}{9}$
(d) $\frac{-11}{9}$
Answer:
(a) $\frac{9}{11}$

Question 8.
The additive inverse of $\frac{5}{7}$ is :
(a) $\frac{7}{5}$
(b) $\frac{-5}{7}$
(c) $\frac{-7}{5}$
(d) $\frac{5}{7}$
Answer:
(b) $\frac{-5}{7}$

Fill in the blanks :

Question 1.
The smallest natural number is ………………..
Answer:
1

Question 2.
The numbers which are used for counting are called ………………..
Answer:
natural number

Question 3.
All natural number along with zero (0) are called ………………..
Answer:
whole number

Question 4.
Reciprocal of $\frac {5}{3}$ is ………………..
Answer:
$\frac {3}{5}$

Question 5.
Additive inverse of –$\frac {3}{4}$ is ………………..
Answer:
$\frac {3}{4}$

Write True or False :

Question 1.
The smallest natural number is zero (0). (True/False)
Answer:
False

Question 2.
0 is an integer which is neither negative nor positive. (True/False)
Answer:
True

Question 3.
The smallest whole number is 1. (True/False)
Answer:
False

Question 4.
–$\frac {2}{5}$ is a fraction. (True/False)
Answer:
False

Question 5.
$\frac {1}{0}$ not a rational number. (True/False)
Answer:
True