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