Class 7 Mathematics MCQ Rational Numbers

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CBSE Class 7 Mathematics MCQ
Rational Numbers with Answers

Question 1: Fractions are in the form of:

(A) $\frac{numerator}{0}$
(B) $\frac{numerator}{denominator}$
(C) $\frac{denominator}{numerator}$
(D) None of these

Show Answer :

Answer : (b) $\frac{numerator}{denominator}$
Definition of a fraction.

Question 2: Rational number between -2 and -1.

(A) $\frac{3}{2}$
(B) 3
(C) $\frac{- 3}{2}$
(D) none of these

Show Answer :

Answer : (c) $\frac{- 3}{2}$
Sum of two given numbers is divided by 2.

Question 3: Write denominator of given rational number : 5

(A) 1
(B) 0
(C) 3
(D) none of these

Show Answer :

Answer : (a) 1
If there is no denominator then 1 is always the denominator.

Question 4: Reduce to standard form : $\frac{-3}{-15}$

(A) $\frac{1}{5}$
(B) $\frac{- 1}{5}$
(C) $\frac{- 1}{- 5}$
(D) none of these

Show Answer :

Answer : (a) $\frac{1}{5}$
HCF of numerator and denominator is 3 and both have negative sign so result is positive. Standard form is obtained by dividing by 3.

Question 5: The numbers used for counting objects are called :

(A) Natural numbers
(B) Whole numbers
(C) Integers
(D) None of these

Show Answer :

Answer : (a) Natural numbers
Counting objects are always positive and more than zero.

Question 6: Reduce to standard form $\frac{-36}{24}$

(A) $\frac{6}{4}$
(B) $\frac{- 3}{2}$
(C) $\frac{4}{6}$
(D) none of these

Show Answer :

Answer : (b) $\frac{- 3}{2}$
HCF of numerator and denominator is 12. Standard form is obtained by divided 12.

Question 7: Give equivalent number to $\frac{- 2}{7}$

(A) $\frac{- 4}{14}$
(B) $\frac{4}{14}$
(C) $\frac{- 4}{- 14}$
(D) none of these

Show Answer :

Answer : (a) $\frac{x}{y}$
Both numerator and denominator is multiplied by same number.

Question 8: Rewrite the number $\frac{25}{45}$ in the simplest form :

(A) $\frac{5}{45}$
(B) $\frac{5}{9}$
(C) $\frac{9}{5}$
(D) none of these

Show Answer :

Answer : (b) $\frac{5}{9}$
HCF of numerator and denominator is 5. Simplest form is detained by dividing both by 5.

Question 9: Write correct symbol $\frac{- 5}{7}$ ▢ $\frac{2}{3}$

(A) < (b) >
(C) =
(D) none of these

Show Answer :

Answer : (a) <
Positive number is always greater than negative.

Question 10: Write correct symbol $\frac{- 5}{11}$ ▢ $\frac{- 5}{11}$

(A) =
(B) >
(C) <
(D) none of these

Show Answer :

Answer : (a) =
Both have same sign, numerator and denominator.

Question 11: $\frac{- 5}{7}$ is :

(A) Positive rational number
(B) Negative rational number
(C) None of these

Show Answer :

Answer : (b) Negative rational number
Numerator is positive and denominator is negative.

Question 12: $\frac{- 2}{- 5}$ is :

(A) Positive rational number
(B) Negative rational number
(C) None of these

Show Answer :

Answer : (a) Positive rational number
Numerator and denominator both are negative.

Question 13: 0 is :

(A) Positive rational number
(B) Negative rational number
(C) neither positive nor negative rational number
(D) None of these

Show Answer :

Answer : (c) neither positive nor negative rational number
As 0 lies in the centre of a number line.

Question 14: Write correct symbol 0 ▢ $\frac{-7}{6}$

(A) <
(b) =
(c) >
(D) none of these

Show Answer :

Answer : (c) >
Zero is greater than negative rational numbers.

Question 15: Additive inverse of $\frac{4}{7}$ is :

(A) $\frac{- 4}{7}$
(B) $\frac{- 4}{- 7}$
(C) $\frac{7}{4}$
(D) none of these

Show Answer :

Answer : (a) $\frac{- 4}{7}$
Number which when added the result becomes zero.

Question 16: Find the product $\frac{3}{11}$ x $\frac{2}{5}$

(A) $\frac{6}{55}$
(B) $\frac{5}{55}$
(C) $\frac{- 6}{55}$
(D) none of these

Show Answer :

Answer : (a) $\frac{6}{55}$
Numerator is multiplied by numerator and denominator is multipled by denominator.

Question 17: The value of $\frac{- 1}{8}$ ÷ $\frac{3}{4}$ is

(A) $\frac{- 1}{6}$
(B) $\frac{1}{6}$
(C) $\frac{6}{1}$
(D) none of these

Show Answer :

Answer : (a) $\frac{- 1}{6}$
First number is multiplied by reciprocal of another.

Question 18: Find the product $\frac{9}{2}$ x $\frac{- 7}{4}$

(A) $\frac{63}{8}$
(B) $\frac{8}{63}$
(C) $\frac{- 63}{8}$
(D) none of these

Show Answer :

Answer : (c) $\frac{- 63}{8}$
Numerator is multiplied by numerator and denominator is multiplied by denominator. Result has negative sign.

Question 19: Reciprocal of 1.

(A) 0
(B) 1
(C) -1
(D) none of these

Show Answer :

Answer : (c) -1
Reciprocal of 1 is 1.

Question 20: $\frac{4}{5}$ is a rational number of the form $\frac{p}{q}$ where p and q are :

(A) p = 4,q = 5
(B) p = 5, q = 4
(C) none of these

Show Answer :

Answer : (a) p = 4,q = 5
In a rational number numerator is denoted by p and denominator
by q

Question 21: $\frac{2}{3}$ is

(A) Positive rational number
(B) Negative rational number
(C) None of these

Show Answer :

Answer : (a) Positive rational number
Both numerator and denominator are positive.

Question 22: Next number of given pattern is $\frac{- 1}{3}$ , $\frac{- 2}{6}$ , $\frac{- 3}{9}$

(A) $\frac{- 4}{12}$
(B) $\frac{- 5}{12}$
(C) $\frac{- 6}{12}$
(D) none of these

Show Answer :

Answer : (a) $\frac{- 4}{12}$
Numerator and denominator of 1st rational number—is multiplied by 4.

Question 23: Ascending order of $\frac{- 3}{5}$ , $\frac{- 2}{5}$ , $\frac{- 1}{5}$

(A) $\frac{- 1}{5}$ , $\frac{- 2}{5}$ , $\frac{- 3}{5}$
(B) $\frac{- 3}{5}$ , $\frac{- 2}{5}$ , $\frac{- 1}{5}$
(C) none of these

Show Answer :

Answer : (b) $\frac{- 3}{5}$ , $\frac{- 2}{5}$ , $\frac{- 1}{5}$
Denominator of each rational number is same. All rational numbers are negative so according to positive on number line ascending order is written

Question 24: What number should be added to ( $\frac { 7 }{ 12 }$ ) to get ( $\frac { 5 }{ 15 }$ ) ?

(A) $\frac { -19 }{ 60 }$
(B) -19
(C) $\frac { 1 }{ 2 }$
(D) None of these

Show Answer :

Answer : (a) $\frac { -19 }{ 60 }$

Question 25: Reduce $\frac { -63 }{ 99 }$ to the standard form.

(A) $\frac { 11 }{ 17 }$
(B) $\frac { -7 }{ 11 }$
(C) $\frac { 7 }{ 11 }$
(D) None of these

Show Answer :

Answer : (b) $\frac { -7 }{ 11 }$

Question 26: ________ is the identity for the addition of rational numbers.

(A) 0
(B) 1
(C) -1
(D) None of these

Show Answer :

Answer : (a) 0

Question 27: Which of the rational number is positive?

(A) $\frac { 3 }{ 7 }$
(B) $\frac { -5 }{ 7 }$
(C) $\frac { -4 }{ 7 }$
(D) $\frac { -3 }{ 7 }$

Show Answer :

Answer : (a) $\frac { 3 }{ 7 }$

Question 28: The product of two numbers is $\frac { -20 }{ 9 }$ . If one of the numbers is 4, find the other.

(A) $\frac { -5 }{ 9 }$
(B) $\frac { 3 }{ 11 }$
(C) $\frac { 12 }{ 39 }$
(D) $\frac { -9 }{ 11 }$

Show Answer :

Answer : (a) $\frac { -5 }{ 9 }$

Question 29: Rewrite $\frac { -44 }{ 72 }$ in the simplest form.

(A) $\frac { -18 }{ 11 }$
(B) $\frac { -11 }{ 18 }$
(C) $\frac { -11 }{ 19 }$
(D) $\frac { =11 }{ 20 }$

Show Answer :

Answer : (c) $\frac { -11 }{ 19 }$

Question 30: What is the average of the two middle rational numbers if $\frac { 4 }{ 7 }$ , $\frac { 1 }{ 3 }$ , $\frac { 2 }{ 5 }$ and $\frac { 5 }{ 9 }$ are arranged in ascending order?

(A) $\frac { 80 }{ 90 }$
(B) $\frac { 86 }{ 45 }$
(C) $\frac { 43 }{ 45 }$
(D) $\frac { 43 }{ 90 }$

Show Answer :

Answer : (d) $\frac { 43 }{ 90 }$

Question 31: The product of two rational numbers is always a _____.

(A) integer
(B) rational number
(C) natural number
(D) whole number

Show Answer :

Answer : (b) rational number

Question 32: The numbers ________ and ________ are their own reciprocals.

(A) -1 and 0
(B) 1 and 0
(C) 1 and -1
(D) None of these

Show Answer :

Answer : (c) 1 and -1

Question 33: Which of the following pairs represent the same rational number?

(A) $\frac { -7 }{ 21 }$ and $\frac { 1 }{ 3 }$
(B) $\frac { 1 }{ 3 }$ and $\frac { -1 }{ 9 }$
(C) $\frac { -5 }{ -9 }$ and $\frac { 5 }{ -9 }$
(D) $\frac { 8 }{ -5 }$ and $\frac { -24 }{ 15 }$

Show Answer :

Answer : (d) $\frac { 8 }{ -5 }$ and $\frac { -24 }{ 15 }$

Question 34: If $\frac { -4 }{ 7 }$ = $\frac { -32 }{ x }$ , what is the value of x?

(A) 56
(B) −56
(C) 46
(D) −46

Show Answer :

Answer : (a) 56

Question 35: The rational number $\frac { 9 }{ 1 }$ in integer is _____.

(A) 0
(B) 9
(C) -9
(D) 1

Show Answer :

Answer : (b) 9

Question 36: What is the result of 2 − $\frac { 11 }{ 39 }$ + $\frac { 5 }{ 26 }$ ?

(A) $\frac { 149 }{ 39 }$
(B) $\frac { 149 }{ 78 }$
(C) $\frac { 149 }{ 76 }$
(D) $\frac { 149 }{ 98 }$

Show Answer :

Answer : (b) $\frac { 149 }{ 78 }$

Question 37: Which of the following is not a rational number(s)?

(A) $\frac { -2 }{ 9 }$
(B) $\frac { 4 }{ -7 }$
(C) $\frac { -3 }{ -17 }$
(D) $\frac { \sqrt { 2 } }{ 3 }$

Show Answer :

Answer : (d) $\frac { \sqrt { 2 } }{ 3 }$

Question 38: Associative property is not followed in _____

(A) integers
(B) whole numbers
(C) rational numbers
(D) natural numbers

Show Answer :

Answer : (d) natural numbers

Question 39: Which is the correct descending order of −2, $\frac { 4 }{ -5 }$ , $\frac { -11 }{ 20 }$ , $\frac { 3 }{ 4 }$ ?

(A) $\frac { 3 }{ 4 }$ > −2 > $\frac { -11 }{ 20 }$ > $\frac { 4 }{ -5 }$
(B) $\frac { 3 }{ 4 }$ > $\frac { -11 }{ 20 }$ > $\frac { 4 }{ -5 }$ > −2
(C) $\frac { 3 }{ 4 }$ > $\frac { 4 }{ -5 }$ > −2 > $\frac { -11 }{ 20 }$
(D) $\frac { 3 }{ 4 }$ > $\frac { 4 }{ -5 }$ > $\frac { -11 }{ 20 }$ > −2

Show Answer :

Answer : (b) $\frac { 3 }{ 4 }$ > $\frac { -11 }{ 20 }$ > $\frac { 4 }{ -5 }$ > −2

Question 40: Write the rational number whose numerator is 4 × (– 7) and denominator is (3 –7) × (15 – 11).

(A) $\frac { 16 }{ 28 }$
(B) $\frac { 8 }{ 13 }$
(C) $\frac { 13 }{ 8 }$
(D) $\frac { 28 }{ 16 }$

Show Answer :

Answer : (d) $\frac { 28 }{ 16 }$

Question 41: The reciprocal of – 5 is ________

(A) 5
(B) -5
(C) $\frac { -1 }{ 5 }$
(D) None of these

Show Answer :

Answer : (c) $\frac { -1 }{ 5 }$

Question 42: The denominator of the rational number $\frac { -6 }{ -5 }$ is

(A) 6
(B) -6
(C) 5
(D) -5

Show Answer :

Answer : (d) -5

Question : The denominator of the rational number $\frac { -13 }{ -11 }$ is

(A) -13
(B) 13
(C) 11
(D) -11

Show Answer :

Answer : (d) -11

Question 43: The numerator of the rational number 0 is

(A) 0
(B) 1
(C) 2
(D) 3

Show Answer :

Answer : (a) 0

Question 44: The denominator of the rational number 0 is

(A) 0
(B) 1
(C) -1
(D) any non-zero integer

Show Answer :

Answer : (d) -1

Question 45: The numerator of the rational number $\frac { -3 }{ 4 }$ is

(A) -3
(B) 3
(C) 4
(D) -4

Show Answer :

Answer : (a) -3

Question 46: The numerator of the rational number $\frac { -2 }{ 9 }$ is

(A) -2
(B) 2
(C) -9
(D) 9

Show Answer :

Answer : (a) -2

Question 47: The denominator of the rational number $\frac { 5 }{ -3 }$ is

(A) 5
(B) -3
(C) 3
(D) 8

Show Answer :

Answer : (b) -3

Question 48: The denominator of the rational number $\frac { 3 }{ -7 }$ is

(A) 7
(B) -7
(C) 3
(D) -3

Show Answer :

Answer : (b) -7

Question 49: The numerator of the rational number $\frac { -2 }{ -5 }$ is

(A) 2
(B) -2
(C) 5
(D) -5

Show Answer :

Answer : (b) -2

Question 50: the numerator of the rational number $\frac { -5 }{ -3 }$ is

(A) -5
(B) 5
(C) -3
(D) 3

Show Answer :

Answer : (a) -5

Question 51: The denominator of the rational number $\frac { -2 }{ -9 }$ is

(A) -2
(B) 2
(C) 9
(D) -9

Show Answer :

Answer : (d) -9

Question 52: The numerator of a rational number 8 is

(A) 2
(B) 4
(C) 6
(D) 8

Show Answer :

Answer : (d) 8

Question 53: The denominator of the rational number 8 is

(A) 8
(B) 2
(C) 4
(D) 1

Show Answer :

Answer : (d) 1

Question 54: The numerator of the rational number – 9 is

(A) -9
(B) 9
(C) 1
(D) -1

Show Answer :

Answer : (a) -9

Question 55: The denominator of the rational number – 9 is

(A) -9
(B) 9
(C) -1
(D) 1

Show Answer :

Answer : (d) 1

Question 56: If $\frac { 3 }{ 4 }$ = $\frac { ? }{ 12 }$ , then ? =

(A) 3
(B) 6
(C) 9
(D) 12

Show Answer :

Answer : (c) 9
Hint:
$\frac{3}{4}$ = $\frac{3×3}{4×3}$ = $\frac{9}{12}$

Question 57: The numerator of the rational number $\frac { 3 }{ 5 }$ is

(A) 3
(B) 5
(C) 2
(D) 8

Show Answer :

Answer : (a) 3

Question 58: The numerator of the rational number $\frac { 1 }{ 100 }$ is

(A) 100
(B) 1
(C) 10
(D) 99

Show Answer :

Answer : (b) 1

Question 59: The denominator of the rational number $\frac { 4 }{ 7 }$ is

(A) 7
(B) 4
(C) 3
(D) 11

Show Answer :

Answer : (a) 7

Question 60: The denominator of the rational number $\frac { 7 }{ 13 }$ is

(A) 13
(B) 7
(C) 6
(D) 91

Show Answer :

Answer : (a) 13

Question 61: if $\frac { 4 }{ 5 }$ = $\frac { 12 }{ ? }$ , then ? =

(A) 5
(B) 10
(C) 15
(D) 25

Show Answer :

Answer : (c) 15
Hint:
$\frac{4}{5}$ = $\frac{4×3}{5×3}$ = $\frac{12}{15}$

Question 62: if $\frac { -4 }{ 7 }$ = $\frac { ? }{ 14 }$ , then ? =

(A) -4
(B) -8
(C) 4
(D) 8

Show Answer :

Answer : (b) -8
Hint:
$\frac{-4}{7}$ = $\frac{-4×2}{7×2}$ = $\frac{-8}{14}$

Question 63: if $\frac { -8 }{ -9 }$ = $\frac { -16 }{ ? }$ , then ? =

(A) 18
(B) -18
(C) 9
(D) -9

Show Answer :

Answer : (b) -18
Hint:
$\frac{-8}{-9}$ = $\frac{-8×3}{-9×2}$ = $\frac{-16}{-18}$

Question 64: Which of the following is a negative rational number?

(A) $\frac { 1 }{ 2 }$
(B) $\frac { 3 }{ 4 }$
(C) $\frac { -4 }{ -5 }$
(D) $\frac { 2 }{ -3 }$

Show Answer :

Answer : (d) $\frac { 2 }{ -3 }$
Hint:
$\frac{-4}{-5}$ = $\frac{4}{5}$

Question 65: if $\frac { -7 }{ 11 }$ = $\frac { 14 }{ ? }$ , then ? =

(A) 11
(B) -11
(C) 22
(D) -22

Show Answer :

Answer : (d) -22
Hint:
$\frac{-7}{11}$ = $\frac{-7×-2}{11×-2}$ = $\frac{14}{-22}$

Question 66: if $\frac { -3 }{ -5 }$ = $\frac { 9 }{ ? }$ , then ? =

(A) 15
(B) -15
(C) 9
(D) -9

Show Answer :

Answer : (a) 15
Hint:
$\frac{-3}{-5}$ = $\frac{-3×-3}{-5×-3}$ = $\frac{9}{15}$

Question 67: Which of the following is a positive rational number?

(A) $\frac { -1 }{ 2 }$
(B) $\frac { 2 }{ -3 }$
(C) $\frac { -3 }{ -4 }$
(D) -5

Show Answer :

Answer : (c) $\frac { -3 }{ -4 }$
Hint:
$\frac{-3}{-4}$ = $\frac{3}{4}$

Question 68: The rational number $\frac { 12 }{ 40 }$ in standard 40 form is

(A) $\frac { 3 }{ 10 }$
(B) $\frac { 6 }{ 10 }$
(C) $\frac { 3 }{ 20 }$
(D) $\frac { 6 }{ 20 }$

Show Answer :

Answer : (a) $\frac { 3 }{ 10 }$
Hint:
$\frac{12}{40}$ = $\frac{12÷4}{40÷4}$ = $\frac{3}{10}$

Question 69: The rational number $\frac { -21 }{ 28 }$ in standard form is

(A) $\frac { -3 }{ 4 }$
(B) $\frac { 3 }{ 4 }$
(C) $\frac { 3 }{ 7 }$
(D) $\frac { -3 }{ 7 }$

Show Answer :

Answer : (a) $\frac { -3 }{ 4 }$
Hint:
$\frac{-21}{28}$ = $\frac{-21÷7}{28÷7}$ = $\frac{-3}{4}$

Question 70: The rational number $\frac { -6 }{ -25 }$ in standard form is

(A) $\frac { 6 }{ 25 }$
(B) $\frac { -6 }{ 25 }$
(C) $\frac { 6 }{ -25 }$
(D) $\frac { -6 }{ 25 }$

Show Answer :

Answer : (a) $\frac { 6 }{ 25 }$
Hint:
$\frac{-6}{-25}$ = $\frac{-6×-1}{-25×-1}$ = $\frac{6}{25}$

Question 71: Which of the following rational numbers -2 is equivalent to $\frac { -2 }{ 5 }$ ?

(A) $\frac { -4 }{ 10 }$
(B) $\frac { -2 }{ 10 }$
(C) $\frac { -4 }{ 5 }$
(D) $\frac { -6 }{ 25 }$

Show Answer :

Answer : (a) $\frac { -4 }{ 10 }$
Hint:
$\frac{-2}{5}$ = $\frac{-2×2}{5×2}$ = $\frac{-4}{10}$

Question 72: Which of the following rational numbers is not equivalent to $\frac { 7 }{ -4 }$ ?

(A) $\frac { 14 }{ -8 }$
(B) $\frac { 21 }{ -12 }$
(C) $\frac { 28 }{ -16 }$
(D) $\frac { 7 }{ -8 }$

Show Answer :

Answer : (d) $\frac { 7 }{ -8 }$
Hint:
$\frac{7}{-4}$ = $\frac{7×2}{-4×2}$ = $\frac{14}{-8}$ ≠ $\frac{7}{-8}$

Question 73: Which of the following rational numbers is not to equivalent to $\frac { 3 }{ 5 }$ ?

(A) $\frac { 6 }{ 10 }$
(B) $\frac { -3 }{ -5 }$
(C) $\frac { 9 }{ 15 }$
(D) $\frac { 12 }{ 24 }$

Show Answer :

Answer : (d) $\frac { 12 }{ 24 }$
Hint:
$\frac{3}{5}$ = $\frac{3×4}{5×4}$ = $\frac{12}{20}$ ≠ $\frac{12}{24}$

Question 74: The reciprocal of $\frac { -2 }{ 5 }$ is

(A) $\frac { -5 }{ 2 }$
(B) $\frac { 5 }{ 2 }$
(C) $\frac { 2 }{ 5 }$
(D) $\frac { -2 }{ 5 }$

Show Answer :

Answer : (a) $\frac { -5 }{ 2 }$

Question 75: The sum $\frac { 5 }{ 4 }$ + (- $\frac { 25 }{ 4 }$ ) =

(A) -5
(B) 5
(C) 4
(D) -4

Show Answer :

Answer : (a) -5
Hint:
$\frac{5}{4}$ + ( $\frac{-25}{4}$ ) = $\frac{5+(-25)}{4}$ = $\frac{-20}{4}$ = -5

Question 76: The sum – $\frac { 3 }{ 4 }$ + 0 =

(A) $\frac { 3 }{ 4 }$
(B) – $\frac { 3 }{ 4 }$
(C) 1
(D) 0

Show Answer :

Answer : (b) – $\frac { 3 }{ 4 }$

Question 77: $\frac { 17 }{ 11 }$ – $\frac { 6 }{ 11 }$ =

(A) 1
(B) -1
(C) 6
(D) 3

Show Answer :

Answer : (a) 1
Hint:
$\frac{17}{11}$ – $\frac{6}{11}$ = $\frac{17-6}{11}$ = $\frac{11}{11}$ = 1

Question 78: $\frac { 2 }{ -5 }$ × $\frac { -5 }{ 2 }$ =

(A) 1
(B) -1
(C) 2
(D) -5

Show Answer :

Answer : (a) 1

Question 79: – $\frac { 6 }{ 5 }$ × 1 =

(A) – $\frac { 6 }{ 5 }$
(B) $\frac { 6 }{ 5 }$
(C) – $\frac { 5 }{ 6 }$
(D) $\frac { 5 }{ 6 }$

Show Answer :

Answer : (a) – $\frac { 6 }{ 5 }$

Question 80: $\frac{- 5}{7}$ ▢ $\frac{2}{3}$

Show Answer :

Answer : <

Question 81: $\frac{- 4}{5}$ ▢ $\frac{- 5}{7}$

Show Answer :

Answer : <

Question 82: $\frac{- 7}{8}$ ▢ $\frac{14}{- 16}$

Show Answer :

Answer : =

Question 83: $\frac{- 8}{5}$ ▢ $\frac{- 7}{5}$

Show Answer :

Answer : <

Question 84: $\frac{1}{3}$ ▢ $\frac{- 1}{4}$

Show Answer :

Answer : >

Question 85: – $\frac { 6 }{ 5 }$ + 1 =

(A) – $\frac { 6 }{ 5 }$
(B) $\frac { 6 }{ 5 }$
(C) $\frac { 5 }{ 6 }$
(D) – $\frac { 5 }{ 6 }$

Show Answer :

Answer : (a) – $\frac { 6 }{ 5 }$

Question 86: $\frac { 2 }{ 9 }$ × $\frac { 27 }{ 8 }$ =

(A) $\frac { 4 }{ 3 }$
(B) $\frac { 3 }{ 4 }$
(C) 3
(D) 4

Show Answer :

Answer : (b) $\frac { 3 }{ 4 }$

Question 87: Which of the following is correct?

(A) $\frac { 1 }{ -2 }$ > $\frac { -1 }{ 3 }$
(B) $\frac { 1 }{ -2 }$ < $\frac { -1 }{ 3 }$
(C) $\frac { 1 }{ -2 }$ = $\frac { -1 }{ 3 }$
(D) None of these

Show Answer :

Answer : (b) $\frac { 1 }{ -2 }$ < $\frac { -1 }{ 3 }$

Question 88: Which of the following is correct?

(A) 0 > $\frac { -4 }{ 9 }$
(B) 0 < $\frac { -4 }{ 9 }$
(C) 0 = $\frac { 4 }{ 9 }$
(D) None of these

Show Answer :

Answer : (a) 0 > $\frac { -4 }{ 9 }$

Question 89: Which of the following is correct?

(A) – $\frac { 4 }{ 5 }$ < – $\frac { 3 }{ 10 }$
(B) – $\frac { 4 }{ 5 }$ > – $\frac { 3 }{ 10 }$
(C) – $\frac { 4 }{ 5 }$ = – $\frac { 3 }{ 10 }$
(D) None of these

Show Answer :

Answer : (a) – $\frac { 4 }{ 5 }$ < – $\frac { 3 }{ 10 }$

Question 90: $\frac { 7 }{ 12 }$ ÷ ( – $\frac { 7 }{ 12 }$ ) =

(A) 1
(B) -1
(C) 7
(D) -7

Show Answer :

Answer : (b) -1

Fill in the blanks:

Question 1: A rational number is called a ____________ if either numerator or denominator is negative.

Show Answer :

Answer : negative rational number

Question 2: The number 0 is neither a ____________ nor a _____________. rational number.

Show Answer :

Answer : positive, negative

Question 3: If 1 is the only common factor between the numerator and denominator then rational number is called in the

Show Answer :

Answer : standard form

Question 4: A ____________ is defined as a number that can be expressed in the form $\frac{p}{q}$

Show Answer :

Answer : rational number

Question 5: A negative rational number is to the _________ of zero whereas a positive rational number is to the __________ of zero on a number line.

Show Answer :

Answer : left,right

Question 6: We can find _________ number of rational numbers between any two rational numbers.

Show Answer :

Answer : unlimited

Question 7: Rational numbers include _____________ and _____________

Show Answer :

Answer : integers, fractions

Question 8: A rational number is called a positive rational number if both ___________ and ___________ are positive.

Show Answer :

Answer : numerator, denominator

Question 9: To reduce the rational number to its standard form, we divide its numberator and denominator by their ………….