MCQ

MCQ 11 Mark

For a non-zero integer a which is the following is not defined?

A
a ÷ 0
B
0 ÷ a
C
a = 1
D
1 ÷ a

Answer

a is a non-zero integer, then $a \div 0$ or $\frac{a}{0}$ is not defined. (a)

View full question & answer→

MCQ 21 Mark

If a and b are two integers, then which of the following may not be an integer?

A
a + b
B
a – b
C
a × b
D
a ÷ b

Answer

a and b are two integers, then
By closure proper a ÷ b is not an integer. (d)

View full question & answer→

MCQ 31 Mark

101 × (-1) + 0 ÷ (-1) is equal to

A
$-101$
B
101
C
$-102$
D
102

Answer

101 × (-1) + 0 ÷ (-1) = -101 + 0 = -101 (a)

View full question & answer→

MCQ 41 Mark

(-25) (6 + 4) is not the same as

A
$-250$
B
(-25) × 10
C
(-25) × 6 × 4
D
(-25) × 6 + (-25) × 4

Answer

(-25) (6 + 4) is not same as (-25) × 6 × 4
6 + 4 = 10 but 6 × 4 = 24 ©

View full question & answer→

MCQ 51 Mark

(-33) × 102 + (-33) × (-2) is equal to

A
3300
B
$-3300$
C
3432
D
$-3432$

Answer

(-33) × 102 + (-33) × (-2) = (-33) (102 – 2) = -33 × 100 = -3300 (b)

View full question & answer→

MCQ 61 Mark

0 ÷ (-10) is equal to

A
$0$
B
$-1$
C
$-10$
D
none of these

Answer

$0 \div(-10)=\frac{0}{-10}=0(a)$

View full question & answer→

MCQ 71 Mark

Which of the following is not the additive inverse of a?

A
$-(-a)$
B
$-a$
C
a ÷ (-1)
D
a × (-1)

Answer

Additive inverse of a is not a i.e. -(-a) (a)

View full question & answer→

MCQ 81 Mark

The integer that must be subtracted from -5 to obtain -12 is

A
7
B
$-7$
C
17
D
$-17$

Answer

The integer will -12 if -5 is subtracted from that -5 – (……) = -12
12 – 5 = 7 (a)

View full question & answer→

MCQ 91 Mark

If the sum of two integers is -10 and one of them is 2, then the other is

A
8
B
$-8$
C
12
D
$-12$

Answer

Sum of two integers = -10
One integers = 2,
then Second integer will be = -10 – (2) = -12 (d)

View full question & answer→

MCQ 101 Mark

The number of integers between -20 and -10 are

A
8
B
9
C
10
D
11

Answer

The number of integers between -20 and -10 are 9
(-19, -18, -17, -16, -15, -14, -13, -12, -11) (b)

View full question & answer→

MCQ 111 Mark

Closure property does not hold in integers for

A
multiplication
B
division
C
addition
D
subtraction

Answer

Closure property does not hold in the integers for the division. (b)

View full question & answer→

MCQ 121 Mark

Multiplication of integers satisfies the property of

A
closure
B
commutativity
C
associativity
D
all of these

Answer

Multiplication of integers satisfies the property of closure, commutative, associative i.e. all there properties. (d)

View full question & answer→

MCQ 131 Mark

The next number in the pattern -62, -37, -12, ……. is

A
25
B
$0$
C
13
D
$-13$

Answer

$-62, -37, -12,$ …….
Next number is 0. (b)

View full question & answer→

MCQ 141 Mark

The value of 5 ÷ (-1) does not lie between

A
$\text{0 and-10}$
B
$\text{0 and 10}$
C
$\text{-3 and -10}$
D
$\text{-7 and 7}$

Answer

$5 \div(-1)=\frac{5}{-1}=-5$
-5 does not lie between 0 and 10
As -5 is negative but 0 to 10 are positive integer.
0 and 10 (b)

View full question & answer→

MCQ 151 Mark

On the number line, the value of (-3) × 3 lies on the right hand side of

A
$-10$
B
$-6$
C
$0$
D
$9$

Answer

Value of (-3) × 3 = -9 lies on the right side of-10 as (-10) < (-9) (a)

View full question & answer→

MCQ 161 Mark

If the integers 10, -7, 5, 3, -4 and 0 are marked on the number line, then the integer which lies on the extreme left is

A
10
B
$0$
C
$-7$
D
$-4$

Answer

View full question & answer→

MATHS MCQ

Test yourself on this topic