We have compiled the NCERT MCQ Questions for Class 8 Maths Chapter 1 Rational Numbers with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 8 Maths with Answers on a daily basis and score well in exams. Refer to the Rational Numbers Class 8 MCQs Questions with Answers here along with a detailed explanation.

## Rational Numbers Class 8 MCQs Questions with Answers

Choose the correct option.

Question 1.

What should be subtracted from \(\frac {-3}{4}\) to get -4?

(a) \(\frac {13}{4}\)

(b) \(\frac {-13}{4}\)

(c) 13

(d) \(\frac {4}{13}\)

## Answer

Answer: (a) \(\frac {13}{4}\)

Question 2.

Which of the following statements is true?

(a) Natural numbers are closed under division.

(b) Whole numbers are not closed under division.

(c) Integers are closed under division.

(d) Rational numbers are closed under division.

## Answer

Answer: (c) Integers are closed under division.

Question 3.

Which of the following statements is true?

(a) Natural numbers are associative for division.

(b) Whole numbers are associative for division.

(c) Integers are associative for division.

(d) Rational numbers are not associative for division.

## Answer

Answer: (d) Rational numbers are not associative for division.

Question 4.

‘0’ is not _____

(a) a natural number.

(b) a whole number.

(c) an integer.

(d) a rational number

## Answer

Answer: (a) a natural number.

Question 5.

Which of the following is the multiplicative identity for rational numbers?

(a) 1

(b) -1

(c) 0

(d) None of these

## Answer

Answer: (a) 1

Question 6.

The additive identity for rational numbers is

(a) 1

(b) -1

(c) 0

(d) None of these

## Answer

Answer: (c) 0

Question 7.

The additive inverse of \(\frac {7}{11}\) is

(a) \(\frac {7}{11}\)

(b) \(\frac {11}{7}\)

(c) \(\frac {-11}{7}\)

(d) 1

## Answer

Answer: (c) \(\frac {-11}{7}\)

Question 8.

The multiplicative inverse of \(\frac {-3}{5}\) is

(a) \(\frac {-3}{5}\)

(b) \(\frac {-5}{3}\)

(c) \(\frac {5}{3}\)

(d) \(\frac {-7}{11}\)

## Answer

Answer: (b) \(\frac {-5}{3}\)

Question 9.

The rational number that does not have a reciprocal is

(a) 0

(b) 1

(c) -1

(d) \(\frac {1}{2}\)

## Answer

Answer: (a) 0

Question 10.

Which of the following is the product of (\(\frac {-7}{8}\)) and (\(\frac {2}{21}\))

(a) 12

(b) \(\frac {-63}{16}\)

(c) \(\frac {-16}{147}\)

(d) \(\frac {-1}{12}\)

## Answer

Answer: (d) \(\frac {-1}{12}\)

Question 11.

What should be added to \(\frac {-3}{4}\) to get -1?

(a) \(\frac {1}{4}\)

(b) –\(\frac {1}{4}\)

(c) 1

(d) –\(\frac {3}{4}\)

## Answer

Answer: (b) –\(\frac {1}{4}\)

Question 12.

What should be subtracted to \(\frac {-3}{4}\) to get -1?

(a) \(\frac {1}{4}\)

(b) –\(\frac {1}{4}\)

(c) 1

(d) –\(\frac {3}{4}\)

## Answer

Answer: (a) \(\frac {1}{4}\)

Fill in the blanks

Question 1.

The multiplicative inverse of a number is also called its ………………

## Answer

Answer: Reciprocal

Question 2.

The additive inverse of –\(\frac {3}{4}\) is ………………..

## Answer

Answer: 0

Question 3.

The negative of a rational number is called its ……………..

## Answer

Answer: additive inverse

Question 4.

The sum of \(\frac {-1}{7}\) and \(\frac {-1}{7}\) is ………………..

## Answer

Answer: \(\frac {-2}{7}\)

Question 5.

The product of \(\frac {-27}{81}\) and \(\frac {-81}{27}\) is ……………

## Answer

Answer: 1

Question 6.

The rational number equivalent to 3 is …………………..

## Answer

Answer: \(\frac {6}{2}\)

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