Class 7 Exam  >  Class 7 Tests  >  Mathematics (Maths) Class 7  >  Test: Rational Numbers - Class 7 MCQ

Test: Rational Numbers - Class 7 MCQ


Test Description

10 Questions MCQ Test Mathematics (Maths) Class 7 - Test: Rational Numbers

Test: Rational Numbers for Class 7 2024 is part of Mathematics (Maths) Class 7 preparation. The Test: Rational Numbers questions and answers have been prepared according to the Class 7 exam syllabus.The Test: Rational Numbers MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Rational Numbers below.
Solutions of Test: Rational Numbers questions in English are available as part of our Mathematics (Maths) Class 7 for Class 7 & Test: Rational Numbers solutions in Hindi for Mathematics (Maths) Class 7 course. Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free. Attempt Test: Rational Numbers | 10 questions in 10 minutes | Mock test for Class 7 preparation | Free important questions MCQ to study Mathematics (Maths) Class 7 for Class 7 Exam | Download free PDF with solutions
Test: Rational Numbers - Question 1

 By what rational number should 22/7 be divided, to get the number - 11/24?

Detailed Solution for Test: Rational Numbers - Question 1

Test: Rational Numbers - Question 2

____ is the identity for the addition of rational numbers.

Detailed Solution for Test: Rational Numbers - Question 2

Additive identity means that to any number if this identity is added, the number remains the same. So additive identity is 0 which means 0 added to any no. does not affect it.

1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Rational Numbers - Question 3

____ is the multiplicative identity for rational numbers.

Detailed Solution for Test: Rational Numbers - Question 3

1 is the multiplicative identity which means that identity of the number remains intact if it is multiplied by 1

Test: Rational Numbers - Question 4

Which of the following is the reciprocal of the reciprocal of a rational number?

Detailed Solution for Test: Rational Numbers - Question 4

Let we have a rational number having numerator as 2 and denominator as 3. The rational form is given by :

2/3

Reciprocal of a number is such that the numerator becomes denominator and the denominator becomes numerator. So, the reciprocal of the above rational no will be :

3/2

The reciprocal of the reciprocal of a rational number will be again  2/3. Hence, the reciprocal of the reciprocal of a rational number is the number itself.

Test: Rational Numbers - Question 5

The product of two numbers is -20/9. If one of the numbers is 4, find the other. 

Detailed Solution for Test: Rational Numbers - Question 5

We have x * 4 = -20/9
x = -20 / 9* 4= -5/9

Test: Rational Numbers - Question 6

The numbers ________ and ________ are their own reciprocals.

Detailed Solution for Test: Rational Numbers - Question 6

Reciprocal of 1 and -1 are their own reciprocals.

1 = 1/1 and its reciprocal is 1/1 i.e. 1. ( Number itself)

-1= -1/1

Its reciprocal= 1/-1= -1 (number itself)

Test: Rational Numbers - Question 7

The reciprocal of – 5 is ________

Detailed Solution for Test: Rational Numbers - Question 7

- The reciprocal of a number is 1 divided by that number.
- For –5, the reciprocal is calculated as:
1/-5 = -1/5
- Therefore, the reciprocal of –5 is –1/5.

Test: Rational Numbers - Question 8

Reciprocal of 1/x, where x ≠ 0 is ________.

Detailed Solution for Test: Rational Numbers - Question 8

Reciprocal is the inverse of the number, meaning, the numerator becomes denominator and denominator becomes numerator.so 1/x become x/1

Test: Rational Numbers - Question 9

The product of two rational numbers is always a _____.

Detailed Solution for Test: Rational Numbers - Question 9

he product of two rational numbers is always a rational number.

Test: Rational Numbers - Question 10

simplify : 

Detailed Solution for Test: Rational Numbers - Question 10

⇒ just cancel the terms with common factors in numerator and denominator

76 videos|345 docs|39 tests
Information about Test: Rational Numbers Page
In this test you can find the Exam questions for Test: Rational Numbers solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Rational Numbers, EduRev gives you an ample number of Online tests for practice

Top Courses for Class 7

76 videos|345 docs|39 tests
Download as PDF

Top Courses for Class 7