Objective Questions on Rational Numbers
Practice the objective questions on rational numbers. The questions are based on rational numbers (i.e. adding, subtracting, multiplying, dividing, arranging, equivalent and standard form of rational numbers).
Tick (✔) the correct answer:
1. The sum of the rational numbers – 8/19 and -4/57 is _____
(a) -5/57
(b) 7/22
(c) -28/57
(d) 4/27
2. What number should be added to 3/8 to get -1/24?
(a) -5/12
(b) -7/23
(c) 31/72
(d) 2/33
3. Which of the rational numbers 4/9, -5/6, -7/-12 and 11/-24 is the smallest?
(a) 4/9
(b) -5/6
(c) -7/-12
(d) 11/-24
4. Which of the rational numbers -4/9, 5/-12, 7/-18, 2/-3 is the greatest?
(a) 7/-18
(b) -4/9
(c) 2/-3
(d) 5/-12
5. Simplify: 2/3 + -4/5 + 7/15 + -11/20
(a) -1/5
(b) -13/60
(c) -4/15
(d) – 7/30
6. What number should be subtracted from -3/4 so as to get 5/6?
(a) -3/10
(b) -5/24
(c) -19/12
(d) 9/25
7. Which of the following rational numbers is in the standard form?
(a) -9/28
(b) -26/78
(c) –14/16
(d) 48/-96
8. The sum of two rational numbers is -7. If one of the numbers is –15/19, the other number is _____
(a) -21/10
(b) -57/16
(c) 7/9
(d) -118/19
9. Which of the following forms a pair of equivalent rational numbers?
(a) 24/40 and 35/50
(b) -25/35 and 55/-77
(c) -8/15 and -24/48
(d) 9/72 and -3/21
10. The value of {-8/13 × 26/-3} is _____
(a) -8/13
(b) -7/26
(c) -4/13
(d) 16/3
11. The reciprocal of a negative rational number _____
(a) is a positive rational number
(b) is a negative rational number
(c) can be either a positive or a negative rational number
(d) does not exist
12. The value of (- 16/21 ÷ -4/3) is _____
(a) -3/10
(b) -7/21
(c) 4/7
(d) -7/6
13. Fill in the blanks: 5/12 ÷ (_____) = -35/18
(a) -21/36
(b) -12/19
(c) -5/18
(d) -3/14
14. The product of two numbers is -20/9. If one of the numbers is 4, find the other.
(a) –5/9
(b) 3/11
(c) 12/39
(d) –9/11
Answers for the objective questions on rational numbers are given below to check the exact answers of the above multiple choice questions on rational numbers.
Answers:
1. (c)
2. (a)
3. (b)
4. (a)
5. (b)
6. (c)
7. (a)
8. (d)
9. (b)
10. (d)
11. (b)
12. (c)
13. (d)
14. (a)
● Rational Numbers - Worksheets
Worksheet on Equivalent Rational Numbers
Worksheet on Lowest form of a Rational Number
Worksheet on Standard form of a Rational Number
Worksheet on Equality of Rational Numbers
Worksheet on Comparison of Rational Numbers
Worksheet on Representation of Rational Number on a Number Line
Worksheet on Adding Rational Numbers
Worksheet on Properties of Addition of Rational Numbers
Worksheet on Subtracting Rational Numbers
Worksheet on Addition and
Subtraction of Rational Number
Worksheet on Rational Expressions Involving Sum and Difference
Worksheet on Multiplication of Rational Number
Worksheet on Properties of Multiplication of Rational Numbers
Worksheet on Division of Rational Numbers
Worksheet on Properties of Division of Rational Numbers
Worksheet on Finding Rational Numbers between Two Rational Numbers
Worksheet on Word Problems on Rational Numbers
Worksheet on Operations on Rational Expressions
Objective Questions on Rational Numbers
8th Grade Math Practice
Math Homework Sheets
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● Rational Numbers
Introduction of Rational Numbers
Is Every Rational Number a Natural Number?
Is Every Rational Number an Integer?
Is Every Rational Number a Fraction?
Equivalent form of Rational Numbers
Rational Number in Different Forms
Properties of Rational Numbers
Lowest form of a Rational Number
Standard form of a Rational Number
Equality of Rational Numbers using Standard Form
Equality of Rational Numbers with Common Denominator
Equality of Rational Numbers using Cross Multiplication
Comparison of Rational Numbers
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Rational Numbers in Descending Order
Representation of Rational Numbers on the Number Line
Rational Numbers on the Number Line
Addition of Rational Number with Same Denominator
Addition of Rational Number with Different Denominator
Properties of Addition of Rational Numbers
Subtraction of Rational Number with Same Denominator
Subtraction of Rational Number with Different Denominator
Subtraction of Rational Numbers
Properties of Subtraction of Rational Numbers
Rational Expressions Involving Addition and Subtraction
Simplify Rational Expressions Involving the Sum or Difference
Multiplication of Rational Numbers
Properties of Multiplication of Rational Numbers
Rational Expressions Involving Addition, Subtraction and Multiplication
Reciprocal of a Rational Number
Rational Expressions Involving Division
Properties of Division of Rational Numbers
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