Explore topic-wise MCQs in Aptitude.

This section includes 714 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

651.

The numbers x, y and z are respectively proportional to 2, 3 and 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax 8, then a is

A. 6
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;">2</td></tr></table>
C. 3
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;">2</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;">2</td></tr></table>
Discussion
652.

If A : B = 2 : 1 and A : C = 1 : 3, then A : B : C is

A. 1 : 3 : 2
B. 1 : 2 : 6
C. 3 : 2 : 1
D. 2 : 1 : 6
Answer» E.
Discussion
653.

The mean proportion of 1.21 and 0.09 is

A. 3-3
B. 0-33
C. 3-03
D. 0-033
Answer» C. 3-03
Discussion
654.

The third proportional of 12 and 18 is

A. 3
B. 6
C. 27
D. 144
Answer» D. 144
Discussion
655.

If A : B = 3 : 4 and B : C = 6 : 5, then C : A is

A. 10 : 9
B. 9 : 10
C. 8 : 9
D. 9 : 8
Answer» B. 9 : 10
Discussion
656.

Find two mean proportionals between 2 and 54.

A. 6 and 18
B. 6 and 12
C. 12 and 18
D. 6 and 9
Answer» B. 6 and 12
Discussion
657.

If x runs are scored by A, y runs by B and z runs by C, then x : y = y : z = 3 : 2. If total

A. 144, 96, 64
B. 162, 108, 72
C. 180, 120, 80
D. 189, 126, 84
Answer» C. 180, 120, 80
Discussion
658.

If A =
2
 of B and B =
4
of C, then A : B : C is.
35
A. 12 : 8 : 10
B. 15 : 10 : 8
C. 10 : 15 : 12
D. 8 : 12 : 15
Answer» E.
Discussion
659.

The ratio of boys and girls in a college is 5 : 3. If 50 boys leave the college and 50 girls join the college, the ratio becomes 9 : 7. The number of boys in the college is

A. 300
B. 400
C. 500
D. 600
Answer» D. 600
Discussion
660.

If 5.5 of a = 0.65 of b, then a : b is equal to :

A. 13 : 11
B. 11 : 13
C. 13 : 110
D. 110 : 13
Answer» D. 110 : 13
Discussion
661.

If (a + b) : (b + c) : (c + a) = 6 : 7 : 8 and (a + b + c) = 14, then the value of c is

A. 6
B. 7
C. 8
D. 14
Answer» B. 7
Discussion
662.

If A : B = 2 : 3 and B : C = 4 : 5, then A : B : C is

A. 2 : 3 : 5
B. 5 : 4 : 6
C. 6 : 4 : 5
D. 8 : 12 : 15
Answer» E.
Discussion
663.

The ratio of A to B is 4 : 5 and that of B to C is 2 : 3. If A equals 800, C equals

A. 1000
B. 1200
C. 1500
D. 2000
Answer» D. 2000
Discussion
664.

If a : b : c = 7 : 3 : 5, then (a + b + c) : (2a + b c) is equal to

A. 1 : 2
B. 2 : 3
C. 3 : 4
D. 5 : 4
Answer» E.
Discussion
665.

If a : b = c : d, then
ma + nc
 is not equal to
mb + nd
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a</center></td></tr><tr><td style="text-align: center;">b</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>c</center></td></tr><tr><td style="text-align: center;">d</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a + c</center></td></tr><tr><td style="text-align: center;">b + d</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>c a</center></td></tr><tr><td style="text-align: center;">b d</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>c a</center></td></tr><tr><td style="text-align: center;">b d</td></tr></table>
Discussion
666.

If a : b : c = 2 : 3 : 4 and 2a 3b + 4c = 33, then the value of c is

A. 6
B. 9
C. 12
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>66</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>66</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
Discussion
667.

If A : B = 3 : 2 and B : C = 3 : 4 then A : C is equal to

A. 1 : 2
B. 2 : 1
C. 8 : 9
D. 9 : 8
Answer» E.
Discussion
668.

If x : y = 2 : 1, then (x

A. 3 : 5
B. 5 : 3
C. 4 : 5
D. 5 : 6
Answer» B. 5 : 3
Discussion
669.

If x : y = 2 : 5, then (5x + 3y) : (5x 3y) is equal to

A. 5
B. 3
C. 3
D. 5
Answer» E.
Discussion
670.

If 2A=3B = 4C, then A: B: C is :

A. 2 : 3 : 4
B. 4 : 3 : 2
C. 6 : 4 : 3
D. 3 : 4 : 6
Answer» D. 3 : 4 : 6
Discussion
671.

If A =
1
B and B =
1
of C, then A : B : C is :
42
A. 8 : 4 : 1
B. 4 : 2 : 1
C. 1 : 4 : 8
D. 1 : 2 : 4
Answer» D. 1 : 2 : 4
Discussion
672.

33,630 are divided among A, B and C in such a manner that the ratio of the amount of A to that of B is 3 : 7 and the ratio of the amount of B to that of C is 6 : 5. The amount of money received by B is

A. 14,868
B. 16,257
C. 13,290
D. 12,390
Answer» B. 16,257
Discussion
673.

If x : y = 3 : 4, then 4x + 5y : 5x - 2y =

A. 7 : 32
B. 32 : 7
C. 4 : 3
D. 5 : 2
Answer» C. 4 : 3
Discussion
674.

A, B and C are batsmen. The ratio of the runs scored by them in a certain match are given below : A : B = 5 : 3 and B : C = 4 : 5. In all they scored 564 runs. The number of runs scored by B is:

A. 124
B. 104
C. 114
D. 144
Answer» E.
Discussion
675.

If
3x + 5
 =
2
, then the value of x is
5x 23
A. 11
B. 19
C. 23
D. 7
Answer» C. 23
Discussion
676.

In a school, the ratio of boys to girls is 4 : 3 and the ratio of girls to teachers is 8 : 1. The ratio of students to teachers is :

A. 56 : 3
B. 55 : 1
C. 49 : 3
D. 56 : 1
Answer» B. 55 : 1
Discussion
677.

There are three numbers A, B, C such that twice A is equal to thrice B and four times B is equal to five times C. Then the ratio between A and C is

A. 3 : 4
B. 8 : 15
C. 15 : 8
D. 4 : 3
Answer» D. 4 : 3
Discussion
678.

A fruit seller sold big, medium and small sized apples for 15, 10 and 5 respectively. The total number of apples sold were in the ratio 3 : 2 : 5. Find the average cost of an apple.

A. 8
B. 10
C. 9
D. 7
Answer» D. 7
Discussion
679.

If x : y = 3 : 4, then the value of
5x 2y
 =
7x + 2y
A. <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;">25</td></tr></table>
B. <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;">23</td></tr></table>
C. <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;">29</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;">17</td></tr></table>
Answer» 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;">17</td></tr></table>
Discussion
680.

On mixing two classes A and B of students having average marks 25 and 40 respectively, the overall average obtained is 30. Find the ratio of the students in the class A and B.

A. 2 : 1
B. 5 :8
C. 5 : 6
D. 3 : 4
Answer» B. 5 :8
Discussion
681.

If A : B = 4 : 9 and A : C = 2 : 3, then (A + B) : (A + C) is

A. 15: 13
B. 10 : 13
C. 13: 1 0
D. 13: 15
Answer» D. 13: 15
Discussion
682.

The third proportional to 0.8 and 0.2 is :

A. 0.05
B. 0.8
C. 0.4
D. 0.032
Answer» B. 0.8
Discussion
683.

Marks of two candidates P and Q are in the ratio of 2 : 5. If the marks of P is 120, marks of Q will be

A. 120
B. 240
C. 300
D. 360
Answer» D. 360
Discussion
684.

If x : y = 5 : 6, then (3x

A. 7 : 6
B. 11 : 3
C. 3 : 11
D. 6 : 7
Answer» D. 6 : 7
Discussion
685.

If 78 is divided into three parts which are in the ratio

A. <table><tr><td rowspan="2">9</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;">3</td></tr></table>
B. 13
C. <table><tr><td rowspan="2">17</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;">3</td></tr></table>
D. <table><tr><td rowspan="2">18</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;">3</td></tr></table>
Answer» D. <table><tr><td rowspan="2">18</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;">3</td></tr></table>
Discussion
686.

If A : B = 3 : 4 and B : C = 8 : 9, then A : B : C is

A. 8 : 6 : 9
B. 9 : 8 : 6
C. 6 : 8 : 9
D. 3 : 32 : 9
Answer» E.
Discussion
687.

If
2
of A = 75% of B = 0.6 of C, then A : B : C is
3
A. 2 : 3 : 3
B. 3 : 4 : 5
C. 4 : 5 : 6
D. 9 : 8 : 10
Answer» E.
Discussion
688.

If A : B = 2 : 3, B : C = 2 : 4 and C : D = 2 : 5, then A : D is equal to :

A. 2 : 15
B. 2 : 5
C. 1 : 5
D. 3 : 5
Answer» B. 2 : 5
Discussion
689.

If two times of A is equal to three times of B and also equal to four times of C, then A : B : C is

A. 2 : 3 : 4
B. 3 : 4 : 2
C. 4 : 6 : 3
D. 6 : 4 : 3
Answer» E.
Discussion
690.

If W

A. 3 : 4
B. 4 : 3
C. 2 : 3
D. 4 : 5
Answer» B. 4 : 3
Discussion
691.

If 1000 is divided between A and B in the ratio 3 : 2, then A will receive

A. 400
B. 500
C. 600
D. 800
Answer» D. 800
Discussion
692.

If a, b, c are three numbers such that a : b = 3 : 4 and b : c = 8 : 9, then a : c is equal to

A. 1 : 3
B. 2 : 3
C. 3 : 2
D. 1 : 2
Answer» C. 3 : 2
Discussion
693.

If A : B = 3 : 4 and B : C = 6 : 5, then A : (A + C) is equal to

A. 9 : 10
B. 10 : 9
C. 9 : 19
D. 19 : 9
Answer» D. 19 : 9
Discussion
694.

If 3x = 5y = 4z, then x : y : z is equal to

A. 9 : 12 : 16
B. 20 : 12 : 15
C. 15 : 10 : 9
D. 8 : 5 : 3
Answer» C. 15 : 10 : 9
Discussion
695.

If x : y = 2 : 3, then the value of

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;">4</td></tr></table>
B. <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;">11</td></tr></table>
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. <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;">14</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;">2</td></tr></table>
Discussion
696.

If p : q : r = 1 : 2 : 4, then

A. 5
B. 2q
C. 5p
D. 4r
Answer» D. 4r
Discussion
697.

If a : (b+c) = 1 : 3 and c : (a+ b) = 5:7, then b : (a+c) is equal to

A. 1 : 2
B. 2 : 3
C. 1 : 3
D. 2 : 1
Answer» B. 2 : 3
Discussion
698.

If a : b = c : d = e : f = 1 : 2, then ( 3a + 5c +7e): (3b + 5d + 7 f ) is equal to

A. 8 : 7
B. 2 : 1
C. 1 : 4
D. 1 : 2
Answer» E.
Discussion
699.

If A : B : C = 2 : 3 : 4, then ratio

A. 8 : 9 : 16
B. 8 : 9 : 12
C. 8 : 9 : 24
D. 4 : 9 : 16
Answer» D. 4 : 9 : 16
Discussion
700.

If A : B =
1
 :
3
, B : C =
1
 :
5
2839
A. 6 : 4 : 8 : 10
B. 6 : 8 : 9 : 10
C. 8 : 6 : 10 : 9
D. 4 : 6 : 8 : 10
Answer» D. 4 : 6 : 8 : 10
Discussion