Loading [MathJax]/jax/output/CommonHTML/jax.js

CBSE Questions for Class 8 Maths Rational Numbers Quiz 1 - MCQExams.com

State whether the statements are true (T) or false (F).
The rational numbers 12 and 52 are on the opposite sides of 0 on the number line.
  • True
  • False
State whether the statements are true (T) or false (F).
The rational numbers can be represented on the number line.
  • True
  • False
Solve following equation-
37+(611)+(821)+(522)
  • 125462
  • 125462
  • 462125
  • 462125
Find multiplicative inverse of the following-
58×37
  • 1556
  • 5615
  • 1556
  • 5615
Name which property is used in following operation-
12×(5×25)=(12×5)×25
  • Associative
  • Reciprocal
  • Commutative
  • Additive inverse
Multiply 613 by the reciprocal of 716
  • 9196
  • 9691
  • 9196
  • 9691
75+(211+1325)=(75+211)+1325
This property is
  • closure
  • commutative
  • associative
  • identity
x is additive identity of rational numbers.Then the value of x is
  • 0
  • 1
  • -1
  • None
For any rational number ab, its additive inverse is ..........
  • ab
  • ba
  • ba
  • ab
State true or false.
The three rational number between 5 and 6 are 214,224,234.
  • True
  • False
Choose the correct option for the following statement.
The property allows you to compute 13×(6×43)as(13×6)×43 is Associativity.
  • The given statement is true.
  • The given statement is false.
  • Incomplete information
  • None of these
State the following statement is True or False
The reciprocal of 0 lie on the number line.
  • True
  • False
The property under multiplication used is:
1317×27=27×1317
  • Associative Property
  • Commutative Property
  • Distributive Property
  • Identity Property
Two rational numbers between 23 and 53 are :
  • 16 and 26
  • 12 and 21
  • 56 and 76
  • 23 and 43
Between any two rational numbers, 
  • there is no rational number
  • there is exactly one rational number
  • there are infinitely many rational numbers
  • there are only rational numbers and no irrational numbers
The property under multiplication used in each of the following.

45×1=1×45=45
  • Commutative Property
  • Associative Property
  • Distributive Property
  • Identity Property
The property under multiplication used in each of the following is the 
1929×2919=1
  • Commutative Property
  • Multiplicative inverse
  • Associative Property
  • Indentity Property
A rational number between 14 and 13 is
  • 724
  • 1648
  • 1348
  • All the above
Find the five rational numbers between  12 and 32
  • 0.5<0.6<0.7<0.8...<1.1<...<1.15<1.50
  • 0.5<0.6<1.7<3.8...<1.8<...<1.15<1.50
  • 0.5<0.6<0.7<2.8...<1.1<...<1.15<1.50
  • 0.5<0.6<0.7<0.8...<3.1<...<1.15<1.50
State true or false:
The product of two rational numbers is always a rational number.
  • True
  • False
If D be subset of `the set of all rational numbers, which can be expressed as terminating decimals, then D is closed under the binary operations of
  • addition, subtraction and division.
  • addition, multiplication and division.
  • addition, subtraction and multiplication.
  • subtraction, multiplication and division.
Choose the rational number which  lie between rational numbers 25 and 15.
  • 14
  • 310
  • 310
  • 720
The additive inverse of ab is
  • ab
  • ba
  • ba
  • ab
Which one of the following is the rational number lying between 67 and 78?
  • 34
  • 99122
  • 95112
  • 97112
Multiplicative inverse of '0' is
  • 10
  • 0
  • Does not exist
  • 00
Write the additive inverse of each of the following: 28 and 59
  • 28;59.
  • 15;35
  • 18;59
  • 17;89
Write the additive inverse of each of the following rational numbers:
491375111114
  • 49;137;511;1314
  • 49;17;511;1114
  • 49;137;511;1114
  • 59;137;511;1114
Which of the following statement is true about a rational number 23 ?
  • It lies to the left side of 0 on the number line.
  • It lies to the right side of 0 on the number line.
  • It is not possible to represent on the number line.
  • It cannot be determined on which side the number lies.
Rational numbers are closed under substraction.
  • True
  • False 
  • Cannot be determined
  • None
What is the additive inverse of ab?
  • ab
  • ba
  • ba
  • ab
0:0:2


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 8 Maths Quiz Questions and Answers