MCQOPTIONS
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MCQOPTIONS
This section includes 497 Mcqs, each offering curated multiple-choice questions to sharpen your Grade9 knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The conjugate of 6 + 3ι is |
| A. | &minus6 + 3ι |
| B. | &minus6-3ι |
| C. | 6-3ι |
| D. | 6 + 3ι |
| Answer» D. 6 + 3ι | |
| 102. |
Under property of equality of real numbers, a = a and ∀ a ∈ R is called |
| A. | reflexive property |
| B. | symmetric property |
| C. | additive property |
| D. | transitive property |
| Answer» B. symmetric property | |
| 103. |
The decimal representation are neither terminating nor repeating in blocks for |
| A. | rational numbers |
| B. | irrational numbers |
| C. | linear fraction |
| D. | quadratic fraction |
| Answer» B. irrational numbers | |
| 104. |
As per properties of real numbers with respect to addition, (a + b) c + = a + (b + c) and ∀ a, b, c ∈ R is |
| A. | closure property |
| B. | associative property |
| C. | additive inverse |
| D. | commutative property |
| Answer» C. additive inverse | |
| 105. |
The numbers a + bι and a - bι are said to be |
| A. | factors of each other |
| B. | additive inverse of each other |
| C. | multiplicative inverse of each other |
| D. | conjugate of each other |
| Answer» E. | |
| 106. |
√6 + √2 is an example of |
| A. | monomial surd |
| B. | trinomial surd |
| C. | binomial surd |
| D. | conjugate surd |
| Answer» D. conjugate surd | |
| 107. |
P(x) ⁄ q(x) + r(s) ⁄ s(x) = p(x) s(x) + q(x) r(x) ⁄ q(x) s(x) is called |
| A. | property of equality |
| B. | property of division |
| C. | property of addition |
| D. | property of multiplication |
| Answer» D. property of multiplication | |
| 108. |
The quotient p(x) ⁄ q(x) of two polynomials p(x) and q(x), where q(x)≠0 is called |
| A. | rational expression |
| B. | irrational expression |
| C. | polynomial |
| D. | coefficient |
| Answer» B. irrational expression | |
| 109. |
An irrational radical with rational radicand is called |
| A. | equation |
| B. | sentence |
| C. | formula |
| D. | surd |
| Answer» E. | |
| 110. |
Every surd is a/an |
| A. | irrational number |
| B. | rational number |
| C. | equation |
| D. | coefficient |
| Answer» B. rational number | |
| 111. |
To add or subtract a positive number from both sides of any inequality without any change in the inequality sign is called |
| A. | distributive property of inequality |
| B. | multiplicative property of inequality |
| C. | additive property of inequality |
| D. | transitive property of inequality |
| Answer» D. transitive property of inequality | |
| 112. |
For real number ‘x’ the absolute value is denoted by |
| A. | x³ |
| B. | | x | |
| C. | 1 ⁄ x |
| D. | −t |
| Answer» C. 1 ⁄ x | |
| 113. |
The value of ‘x’ in 6x-4 = 3x + 8 should be |
| A. | 3 |
| B. | 6 |
| C. | 5 |
| D. | 4 |
| Answer» E. | |
| 114. |
When the variable in an equation occurs under a radical, the equation is said to be |
| A. | quadratic equation |
| B. | radical equation |
| C. | linear equation |
| D. | fraction |
| Answer» C. linear equation | |
| 115. |
In √(2x-3) - 7 = 0, the value of x should be |
| A. | 24 |
| B. | 26 |
| C. | 23 |
| D. | 20 |
| Answer» C. 23 | |
| 116. |
Two angles in a triangle are 63° and 57°. The ratio of 3rd angle to the first 2 should be |
| A. | 3 : 4 |
| B. | 2 : 1 |
| C. | 1 : 2 |
| D. | 5 : 6 |
| Answer» D. 5 : 6 | |
| 117. |
If there are 500 Computers in an outlet and 60% of them are P1, the number of P1 are |
| A. | 250 |
| B. | 300 |
| C. | 350 |
| D. | 200 |
| Answer» C. 350 | |
| 118. |
The ratio of 10 dollars each to 84 dollars per dozen is |
| A. | 7 : 8 |
| B. | 8 : 7 |
| C. | 42 : 5 |
| D. | 5 : 42 |
| Answer» C. 42 : 5 | |
| 119. |
14 buffaloes consume 63kg hay in 18 days. The number of buffaloes to eat 770kg of hay in 28 days should be |
| A. | 120 cows |
| B. | 100 cows |
| C. | 115 cows |
| D. | 110 cows |
| Answer» E. | |
| 120. |
In what ratio 50 m² be decreased to 25 m² |
| A. | 1 : 5 |
| B. | 1 : 2 |
| C. | 2 : 1 |
| D. | 5 : 3 |
| Answer» D. 5 : 3 | |
| 121. |
π is a |
| A. | rational number |
| B. | irrational number |
| C. | natural number |
| D. | whole number |
| Answer» B. irrational number | |
| 122. |
The union of the set of rational and irrational numbers is known as |
| A. | the set of real numbers |
| B. | set of irrational numbers |
| C. | set of rational numbers |
| D. | set of prime numbers |
| Answer» B. set of irrational numbers | |
| 123. |
For all a, b, c ∈ R, (a + b) c = ac + bc is said to be |
| A. | left multiplicative law |
| B. | right multiplicative law |
| C. | left distributive law |
| D. | right distributive law |
| Answer» E. | |
| 124. |
ι² is equal to |
| A. | −1 |
| B. | ι |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 125. |
In a + 0 = a = 0 + a and ∀ a ∈ R then ‘0’ is called |
| A. | additive identity |
| B. | additive inverse |
| C. | associative property |
| D. | commutative property |
| Answer» B. additive inverse | |
| 126. |
A pair of equations to determine the value of 2 variables is called |
| A. | simultaneous linear equations |
| B. | paired equations |
| C. | quadratic equations |
| D. | simple equations |
| Answer» B. paired equations | |
| 127. |
The law which does not hold in multiplication of matrices is known as |
| A. | distributive law |
| B. | Inverse law |
| C. | associative law |
| D. | commutative law |
| Answer» E. | |
| 128. |
If the number of columns and rows are not equal in a matrix, then it is said to be a |
| A. | rectangular matrix |
| B. | square matrix |
| C. | diagonal matrix |
| D. | null matrix |
| Answer» B. square matrix | |
| 129. |
In the rational expression p(x) ⁄ q(x), q(x) is known as |
| A. | denominator |
| B. | highest coefficient |
| C. | coefficient |
| D. | numerator |
| Answer» B. highest coefficient | |
| 130. |
In proper of division, p(x) ⁄ q(x) ÷ r(x) ⁄ s(x) is equal to |
| A. | p(x) s(x) ⁄ q(x) r(x) |
| B. | p(x) s(x) × q(x) r(x) |
| C. | p(x) s(x) + q(x) r(x) |
| D. | p(x) s(x) − q(x) r(x) |
| Answer» B. p(x) s(x) × q(x) r(x) | |
| 131. |
The factors of x² - 4 are |
| A. | (x + 2)(x + 2) |
| B. | (x + 2)(x-2) |
| C. | (x-2)(x-2) |
| D. | (x + 1)(x-2) |
| Answer» C. (x-2)(x-2) | |
| 132. |
The surds to be added or subtracted should be |
| A. | a fraction |
| B. | non-similar |
| C. | similar |
| D. | none of above |
| Answer» D. none of above | |
| 133. |
The simplest form of the surd √18 ⁄ √3 √2 is |
| A. | 3 |
| B. | √&minus3 |
| C. | √5 |
| D. | √3 |
| Answer» E. | |
| 134. |
A surd which contains a single term is called |
| A. | monomial surd |
| B. | trinomial surd |
| C. | binomial surd |
| D. | conjugate surd |
| Answer» B. trinomial surd | |
| 135. |
√5 is an example of |
| A. | monomial surd |
| B. | trinomial surd |
| C. | binomial surd |
| D. | conjugate surd |
| Answer» B. trinomial surd | |
| 136. |
The conjugate of 3 - √5 is |
| A. | 3 + √5 |
| B. | −3 - √5 |
| C. | 3 + 5 |
| D. | √3 - 5 |
| Answer» B. −3 - √5 | |
| 137. |
If x = 4 - √15 then the value of 1 ⁄ x should be |
| A. | −4 + √15 |
| B. | −4 - √15 |
| C. | 4 + √15 |
| D. | 0 |
| Answer» C. 4 + √15 | |
| 138. |
(a + b)² − (a - b)² is equal to |
| A. | 2ab |
| B. | a² - b² |
| C. | 4ab |
| D. | a² + b² |
| Answer» D. a² + b² | |
| 139. |
By rationalizing the denominator of 3 ⁄ 4√3, we get |
| A. | √3 ⁄ 4 |
| B. | 3 ⁄ 4 |
| C. | √3 |
| D. | 4√3 |
| Answer» B. 3 ⁄ 4 | |
| 140. |
The coefficient an of the highest power is called |
| A. | smallest coefficient |
| B. | zero coefficient |
| C. | highest coefficient |
| D. | degree |
| Answer» D. degree | |
| 141. |
2 binomial surds of second order differing only in sign connecting their terms are known as |
| A. | trinomial surds |
| B. | rational numbers |
| C. | conjugate surds |
| D. | monomial surds |
| Answer» D. monomial surds | |
| 142. |
If a + b = 5 and a - b = √17 then the value of ab should be |
| A. | 3 |
| B. | 2 |
| C. | 5 |
| D. | 4 |
| Answer» C. 5 | |
| 143. |
The simplest form of the surd √180 is |
| A. | 6√3 |
| B. | 6√5 |
| C. | 6 |
| D. | 5 |
| Answer» C. 6 | |
| 144. |
The additive inverse of p(x) ⁄ q(x) is |
| A. | q(x) ⁄ p(x) |
| B. | − p(x) ⁄ q(x) |
| C. | p(x) - q(x) |
| D. | p(x) + q(x) |
| Answer» C. p(x) - q(x) | |
| 145. |
A³ + 3ab(a + b) + b³ is equal to |
| A. | (a - b)³ |
| B. | (a + b)³ |
| C. | a³ + b³ |
| D. | a³-b³ |
| Answer» C. a³ + b³ | |
| 146. |
A³-3ab(a - b) - b³ is equal to |
| A. | (a - b)³ |
| B. | (a + b)³ |
| C. | a³ + b³ |
| D. | a³-b³ |
| Answer» B. (a + b)³ | |
| 147. |
P(x)k ⁄ q(x)k = p(x) ⁄ q(x) is known as |
| A. | property of addition |
| B. | property of cancellation |
| C. | property of multiplication |
| D. | property of division |
| Answer» C. property of multiplication | |
| 148. |
P(x) ⁄ q(x) × r(x) ⁄ s(x) = p(x) r(x) ⁄ q(x) s(x) is called |
| A. | property of equality |
| B. | property of division |
| C. | property of addition |
| D. | property of multiplication |
| Answer» E. | |
| 149. |
P(x) ⁄ q(x) - r(s) ⁄ s(x) = p(x) s(x) - q(x) r(x) ⁄ q(x) s(x) is called |
| A. | property of subtraction |
| B. | property of addition |
| C. | property of multiplication |
| D. | property of equality |
| Answer» B. property of addition | |
| 150. |
If a + b = 5 and a - b = 3 then the value of a² + b² should be |
| A. | 21 |
| B. | 15 |
| C. | 17 |
| D. | 11 |
| Answer» D. 11 | |