Explore topic-wise MCQs in Aptitude.

This section includes 110 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

1.

1 + (3 + 1) (3 + 1) (34 + 1) (38 + 1) (316 + 1) (332 + 1) is equal to

A.
B. 3
C. 1
D. 3
E. + 1
Answer» C. 1
Discussion
2.

The fifth term of the sequence for which t1 = 1, t2 = 2 and tn + 2 = tn + tn + 1, is

A. 5
B.
C. 10
D. 6
E. 8
Answer» E. 8
Discussion
3.

If p, q, r are in Geometric Progression, then which is true among the following ?

A. p = qr
B. q =
C.
Answer» D.
Discussion
4.

Find the nth term of the following sequence :
5 + 55 + 555 + ....... Tn

A. 5(10
B. 1)
C. 5n(10
D. 1)
Answer» D. 1)
Discussion
5.

The value of
3
 +
5
 +
7
 +
9
 +
11
 +
13
 +
15
 +
17
 +
19
 is
1 .2 2 .3 3 .4 4 .5 5 .6 6 .7 7 .8 8 .9 9 .10

A. 1
Answer» C.
Discussion
6.

The 30th term of the series 30, 25
1
, 21 , 16
1
,........ is
22
A. 0
B.
C.
D. 183
E.
Answer» C.
Discussion
7.

Find the sum of the first five terms of the following series.
1
 +
1
 +
1
 + .......... + .........
1 44 77 10
A.
Answer» D.
Discussion
8.

The age of the father of two children is twice that of the elder one added to four times that of the younger one. If the geometric mean of the ages of the two children is 4 3 and their harmonic mean is 6, then what is the father's age ?

A. 48 yr
B. 32 yr
C. 40 yr
D. 56 yr
Answer» D. 56 yr
Discussion
9.

The next term of the sequence
1
 , 3
1
, 6 , 8
3
 ..............is :
x - 244
A.
B.
C.
D.
Answer» E.
Discussion
10.

840, ?, 420, 140, 35, 7

A. 408
B. 840
C. 480
D. 804
Answer» C. 480
Discussion
11.

By adding the same constant to each of 31, 7, 1 a geometric progression results. The common ratio is :

A. 13
B. 12
C. None of these
Answer» E.
Discussion
12.

Given that 1 + 2 + 3 + ... + n =
n(n + 1) (2n + 1)
, then
6
10 + 11 + 12 + .... + 20 is equal to

A. 2616
B. 2585
C. 3747
D. 2555
Answer» C. 3747
Discussion
13.

If A represents the arithmetic mean, H represents the harmonic mean and G represents the geometric mean, then what is the relation between them ?

A. A x H = G
B. A x H = G
C.
D. A/H = G
E. A/H = G
Answer» C.
Discussion
14.

4, 2, 3.5, 7.5, 26.25, 118.125

A. 118.125
B. 26.25
C. 3.5
D. 2
Answer» D. 2
Discussion
15.

16, 19, 21, 30, 46, 71, 107

A. 19
B. 20
C. 30
D. 46
Answer» B. 20
Discussion
16.

20, 21, 25, 34, 50, ?, 111

A. 70
B. 65
C. 60
D. 75
Answer» E.
Discussion
17.

62, 87, 187, 412, 812, ?

A. 1012
B. 1437
C. 1337
D. 1457
Answer» C. 1337
Discussion
18.

2, 11, 38, 197, 1172, 8227, 65806

A. 11
B. 38
C. 197
D. 1172
Answer» E.
Discussion
19.

In a geometric progression, the sum of the first and the last terms is 66 and the product of the second and the last second terms is 128. Determine the first term of the series ?

A. 64
B. 64 or 2
C. 2 or 32
D. 32
Answer» C. 2 or 32
Discussion
20.

165, 195, 255, 285, .... 435

A. 340
B. 341
C. 345
D. 401
Answer» D. 401
Discussion
21.

The 1st term of an HP is 1/17 and the product of the 2nd and 4th term equals to the products of 5th and 6th term of the HP. Find the 3rd term of the HP. ?

A. 1/7
B. 1/14
C. 1/35
D. None of these
Answer» B. 1/14
Discussion
22.

If p, q, r, s are in harmonic progression and p > s, then

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">&lt;</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;">ps</td><td style="text-align: center;">qr</td></tr></table>
B. q + r = p + s
C.
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">+</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">=</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><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;">q</td><td style="text-align: center;">p</td><td style="text-align: center;">r</td><td style="text-align: center;">s</td></tr></table>
E. None of these
Answer» E. None of these
Discussion
23.

Divided 124 into four parts which are in AP such that the product of the first and fourth part is 128 less than the products of the seconds and third part ?

A. 17, 25, 37, 45
B. 19, 27, 35, 43
C. 21, 29, 33, 41
D. 15, 23, 39, 47
Answer» C. 21, 29, 33, 41
Discussion
24.

If 20 divided into four parts which are in AP such that the product of the first and fourth is to the products of the second and third is in the radio 2 : 3 ?

A. 1, 3, 7, 9
B. 2, 4, 6, 8
C. 3, 5, 5, 7
D. 4, 6, 3, 7
Answer» C. 3, 5, 5, 7
Discussion
25.

A man saves 145000 in ten years. In each year after the first year. he saved 2000 more than he did in the proceeding year. How much did he save in the first year ?

A. 5000
B. 5500
C. 6000
D. 6500
Answer» C. 6000
Discussion
26.

Find the sum to 200 terms of the series. 1 + 4 + 6 + 5 + 11 + 6 + ... ?

A. 30200
B. 29800
C. 30100
D. 30500
Answer» B. 29800
Discussion
27.

How many terms are identical in the AP 1, 3, 5,..., 120 terms and 3, 6, 9,...80 terms ?

A. 39
B. 40
C. 41
D. 42
Answer» C. 41
Discussion
28.

Find the fifteenth term of the arithmetic progression 3, 9, 15, 21, .... ?

A. 85
B. 87
C. 80
D. 90
Answer» C. 80
Discussion
29.

Find the 10th term of the AP 13, 8, 3, -2,.......?

A. - 32
B. - 64
C. - 30
D. - 13
Answer» B. - 64
Discussion
30.

7, 9, 16, 25, 41, 68, 107, 173, ?

A. 107
B. 16
C. 41
D. 68
Answer» E.
Discussion
31.

2, 6, 14, 30, .... 126, ?

A. 62
B. 63
C. 73
D. 95
Answer» B. 63
Discussion
32.

16, 4, 2, 1.5, 1.75, 1.875

A. 1.875
B. 1.75
C. 1.5
D. 2
Answer» C. 1.5
Discussion
33.

The sum 9 + 16 + 25 + 36 + .... + 100 is equal to :

A. 350
B. 380
C.
D. 400
E. 420
Answer» C.
Discussion
34.

The wrong (misfit) number of the sequence 5, 15, 45, 135, 395, 1215, 3645 is :

A. 395
B. 135
C. 45
D. 5
Answer» B. 135
Discussion
35.

The sum (101 + 102 + 103 + .... + 200) is equal to :

A. 15000
B. 15025
C. 15050
D. 25000
Answer» D. 25000
Discussion
36.

Next number of the sequence 2, 9, 28, 65, 126, ____ is :

A. 195
B. 199
C.
D. 208
E. 217
Answer» E. 217
Discussion
37.

The next number of the sequence
1
,
3
,
5
,
7
,.....is
24816
A.
B. <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;">24</td></tr></table>
C. <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;">32</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>9</center></td></tr><tr><td style="text-align: center;">24</td></tr></table>
E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>9</center></td></tr><tr><td style="text-align: center;">32</td></tr></table>
Answer» E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>9</center></td></tr><tr><td style="text-align: center;">32</td></tr></table>
Discussion
38.

How many terms are there in the GP 5, 20, 80, 320, ..., 20480 ?

A. 7
B. 6
C. 5
D. 10
Answer» B. 6
Discussion
39.

A and B are two number whose AM is 25 and GM is 7. Which of the following may be a value of A ?

A. 10
B. 49
C. 20
D. 25
Answer» C. 20
Discussion
40.

If the second term of an HP is 1/6 and the fourth terms is 1/14, then find the tenth term of the HP ?

A. 1/32
B. 1/36
C. 1/38
D. 1/40
Answer» D. 1/40
Discussion
41.

If five times the fifth term of an AP is equal to seven times the seventh term of the AP, then what is the twelfth term ?

A. - 1
B. 0
C. 1
D. - 2
Answer» C. 1
Discussion
42.

2, 8, 18, ?, 50, 72

A. 33
B. 38
C. 36
D. 32
Answer» E.
Discussion
43.

The number of bacteria in a certain culture doubles every hour. If there were 50 bacteria present in the culture originally, how many bacteria will be born in 12th hour ?

A. 102460
B. 120450
C. 102400
D. 120400
Answer» D. 120400
Discussion
44.

The sum to 12 terms of an AP is equal to the sum to 18 terms. What will be the sum to 30 terms for this series ?

A. 3
B. 2
C. 1
D. 0
Answer» E.
Discussion
45.

For doing a certain job, boy is offered 5 on the first day, 15 on the second day, 45 on the third day and so no. How much will the boy earn at the end of seven days ?

A. 5486
B. 5484
C. 5465
D. 5450
Answer» D. 5450
Discussion
46.

The age of the father of two children is twice that of the elder one added to four times that of the younger one. If the geometric mean of the ages of the two children is 4

A. 48 yr
B. 32 yr
C. 40 yr
D. 56 yr
Answer» D. 56 yr
Discussion
47.

The fifth term of a GP is 81 and first term is 16. Find the 4th term. ?

A. 36
B. 54
C. 24
D. 18
Answer» C. 24
Discussion
48.

How many terms of the series -20, -16, -12, ... must be taken so that the sum is 120 ?

A. 5
B. 20
C. 15
D. 10
Answer» D. 10
Discussion
49.

Find the sum of even number below 1672 (including it). ?

A. 699831
B. 699731
C. 699832
D. 699732
Answer» E.
Discussion
50.

Find the sum of even numbers below 281. ?

A. 19740
B. 19750
C. 19760
D. 19730
Answer» E.
Discussion