Explore topic-wise MCQs in Aptitude.

This section includes 782 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

601.

If (

A. 5
B. 2
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. 1
Answer» E.
Discussion
602.

If a * b = a

A. 125
B. 243
C. 53
D. 15
Answer» B. 243
Discussion
603.

If x + y = 2z then the value of
x
 +
z
 is
x zy z
A. 1
B. 3
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. 2
Answer» B. 3
Discussion
604.

If 0.03 0.3a = 0.3 0.3 b, value of
a
 is
b
A. 0.009
B. 0.03
C. 0.9
D. 0.08
Answer» D. 0.08
Discussion
605.

If
4 3 + 5 2
 = a + b 6, then the values of a and b are respectively
48 + 18
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>9</center></td><td rowspan="2"> , </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">15</td><td style="text-align: center;">15</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2"> , </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">11</td><td style="text-align: center;">33</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>9</center></td><td rowspan="2"> , </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">10</td><td style="text-align: center;">5</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2"> , </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">5</td><td style="text-align: center;">15</td></tr></table>
Answer» E.
Discussion
606.

If
x + 4 + x 4
 = 2 then x is equal to
x + 4 x 4
A. 2.4
B. 3.2
C. 4
D. 5
Answer» E.
Discussion
607.

If 44x + 1 =
1
, then the value of x is
64
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
B. 1
C. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">6</td></tr></table>
Answer» C. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Discussion
608.

If x =
3 + 1
 and y =
3 1
 , then value of x2 + y2 is :
3 1 3 + 1
A. 14
B. 13
C. 15
D. 10
Answer» B. 13
Discussion
609.

If x +
1
 = 3 , then the value of x5 +
1
 is :
xx5
A. 110
B. 132
C. 122
D. 123
Answer» E.
Discussion
610.

If (2a 1)2 + (4b 3)2 + (4c + 5)2 = 0 ,then the value of
a3 + b3 + c3 - 3abc
 = 0
a2 + b2 + c2
A. <table><tr><td rowspan="2">1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
B. <table><tr><td rowspan="2">2</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
C. <table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
D. 0
Answer» E.
Discussion
611.

The simplified value of following is :

A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>9a<sup>2</sup> b c<sup>4</sup></center></td></tr><tr><td style="text-align: center;">10</td></tr></table>
B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3a b<sup>4</sup> c<sup>3</sup></center></td></tr><tr><td style="text-align: center;">10</td></tr></table>
C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3a<sup>4</sup> b<sup>10</sup> c<sup>4</sup></center></td></tr><tr><td style="text-align: center;">10</td></tr></table>
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1a<sup>4</sup> b<sup>4</sup> c<sup>10</sup></center></td></tr><tr><td style="text-align: center;">10</td></tr></table>
Answer» D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1a<sup>4</sup> b<sup>4</sup> c<sup>10</sup></center></td></tr><tr><td style="text-align: center;">10</td></tr></table>
Discussion
612.

If a + b + c = 0 then the value of
1
 +
1
 +
1
 is
(a + b)(b + c)(b + c)(c + a)(c + a)(a + b)
A. 0
B. 1
C. 3
D. 2
Answer» B. 1
Discussion
613.

If x , y, and z are real numbers such that (x 3)

A. 12
B. 0
C. 8
D. 12
Answer» E.
Discussion
614.

If (x 4)(x

A. 27
B. 8
C. 64
D. 0
Answer» D. 0
Discussion
615.

If a2 + b2 + c2 = 16, x2 + y2 + z2 = 25 and ax + by + cz = 20, then the value of
a + b + c
 is
x + y + z
A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
Answer» D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
Discussion
616.

If a, b, c and d satisfy the equations

A. 0
B. 1
C. 1
D. 4
Answer» D. 4
Discussion
617.

If a2 = b + c , b2 = a + c , c2 = b + a, then what will be the value of
1
 +
1
 +
1
 = ?
a + 1b + 1c + 1
A. 1
B. 2
C. 1
D. 0
Answer» D. 0
Discussion
618.

If p(x + y)

A. (p + q)
B. 2 (p + q)
C. p + q
D. 2 (p + q)
Answer» C. p + q
Discussion
619.

If x =

A. 0
B. 1
C. 2
D. 1
Answer» B. 1
Discussion
620.

If c +
1
 = 3 , then the value of (c - 3)7 +
1
 is
cc7
A. 2
B. 0
C. 3
D. 1
Answer» C. 3
Discussion
621.

If x =
5 + 1
 then the value of 5x2 5x 1 is
5 1
A. 0
B. 3
C. 4
D. 5
Answer» D. 5
Discussion
622.

If
2a + b
 = 3, then find the value of
a + b
a + 4ba + 2b
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>10</center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>10</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>10</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
Discussion
623.

If a * b = 2 (a + b), then 5 * 2 is equal to :

A. 3
B. 10
C. 14
D. 20
Answer» D. 20
Discussion
624.

If
144
 =
14.4
 , then the value of x is
0.144x
A. 144
B. 14.4
C. 1.44
D. 0.0144
Answer» E.
Discussion
625.

If
a
 =
b
 =
c
 then
a + b + c
 is
equal to
347c
A. 0
B. 1
C. 2
D. 3
Answer» D. 3
Discussion
626.

If x y = 3x +2y, Then 2 3 + 3 4 is equal to

A. 18
B. 29
C. 32
D. 38
Answer» C. 32
Discussion
627.

If a * b = a + b + ab, then 3 * 4 2 * 3 is equal to :

A. 6
B. 8
C. 10
D. 12
Answer» C. 10
Discussion
628.

If x = 0.5 and y = 0.2, then value of

A. 1.0
B. 0.5
C. 0.6
D. 1.1
Answer» D. 1.1
Discussion
629.

If 0.13 p

A. 10
B. 0.01
C. 0.1
D. 100
Answer» D. 100
Discussion
630.

The value of
(243)n/5.32n + 1
 is
9n.3n 1
A. 1
B. 9
C. 3
D. 3n
Answer» C. 3
Discussion
631.

If
a
 +
b
 +
c
 = 1, then the value of
1
 +
1
 +
1
 is
1 a1 b1 c1 a1 b1 c
A. 1
B. 2
C. 3
D. 4
Answer» E.
Discussion
632.

If a b, then which of the following statements is true ?

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a + b</center></td><td rowspan="2"> = <span style=" text-decoration: overline;">ab</span></td></tr><tr><td style="text-align: center;">2</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a + b</center></td><td rowspan="2"> &lt; <span style=" text-decoration: overline;">ab</span></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a + b</center></td><td rowspan="2"> &gt; <span style=" text-decoration: overline;">ab</span></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. All of the above
Answer» D. All of the above
Discussion
633.

For what value(s) of a is x +
1
 x + a2 a perfect square ?
4
A. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">18</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
C. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
Answer» C. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
Discussion
634.

If
1
2
3
4
5
 .....
31
1
 , the value of x is
4681012642x
A. 31
B. 32
C. 36
D. 37
Answer» D. 37
Discussion
635.

If
a
 =
b
 =
c
 , then
a + b + c
 is equal to
235c
A. 2
B. 4
C. 5
D. 6
Answer» B. 4
Discussion
636.

If
2p
 =
1
 , p 0, then the value of p +
1
 is
p2 2p + 14p
A. 4
B. 5
C. 10
D. 12
Answer» D. 12
Discussion
637.

If 7x =
1
, then the value of x is
343
A. 3
B. 3
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Discussion
638.

If a = 7, b = 5 and c = 3, then the value of a

A. 12
B. 12
C. 0
D. 8
Answer» B. 12
Discussion
639.

If (125)

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
Discussion
640.

If
7 2
 = a 7 + b, then the value of a is
7 + 2
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>11</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
B. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4 <span style=" text-decoration: overline;">7</span></center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Discussion
641.

If x is real, then the minimum value of (x

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
B. 0
C. 1
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
Answer» B. 0
Discussion
642.

If x +
1
 = 5, then
2x
 is equal to
x3x2 5x + 3
A. 5
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
C. 3
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» C. 3
Discussion
643.

3 + x + 3 x
 = 2 then x is equal to
3 + x 3 x
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">12</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>12</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>7</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
Discussion
644.

If a and b be positive integers such that a

A. 19
B. 20
C. 9
D. 10
Answer» E.
Discussion
645.

If
2x y
 =
1
 , then value of
3x y
 is :
x + 2y23x + y
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
D. 1
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
Discussion
646.

If
a
 =
b
 , then value of
2a + 3b
 is
323a 2b
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>12</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">12</td></tr></table>
C. 1
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>12</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
Answer» B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">12</td></tr></table>
Discussion
647.

1 +
1
x + 4
A. x + 4
B. x + 4
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1 </center></td></tr><tr><td style="text-align: center;">x</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>x + 4</center></td></tr><tr><td style="text-align: center;">x</td></tr></table>
Answer» E.
Discussion
648.

Two numbers x and y (x > y) are such that their sum is equal to three times their difference.

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
B. 1
C. <table><tr><td rowspan="2">1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. <table><tr><td rowspan="2">1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» C. <table><tr><td rowspan="2">1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Discussion
649.

If a b = (a b) + b, then 5 7 equals to

A. 12
B. 35
C. 42
D. 50
Answer» D. 50
Discussion
650.

If 1 < x < 2, then the value of

A. 1
B. 2
C. 3
D. 2x 4
Answer» C. 3
Discussion