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.

51.

The next term of the sequence 2, 3, 6, 7, 14, ..... is

A. 15
B. 17
C.
D. 18
E. 20
Answer» B. 17
Discussion
52.

Which term of the sequence 6, 13, 20, 27, ..... is 98 more than its 24th term ?

A. 36th
B. 38th
C. 35th
D. 48th
Answer» C. 35th
Discussion
53.

The sum of the first 20 terms of the series
1
 +
1
 +
1
 + ..... is
5 66 77 8
A. 0.16
B. 1.6
C. 16
D. 0.016
Answer» B. 1.6
Discussion
54.

Which term of the sequence 7, 10, 13, ..... is 151 ?

A. 29th
B. 19th
C. 59th
D. 49th
Answer» E.
Discussion
55.

Only two entries are known of the following Arithmetic progression : , 5, , , 14, , --What should be the number just after 14 ?

A. 17
B. 18
C. 19
D. 20
Answer» B. 18
Discussion
56.

The sum of n terms the series 1 +
1
 +
1
 +
1
 + ..... is
22 2

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2<sup>n</sup> - 1</center></td></tr><tr><td style="text-align: center;">2<sup>n - 1</sup></td></tr></table>
B.
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2<sup>n - 1</sup> - 1</center></td></tr><tr><td style="text-align: center;">2<sup>n - 2</sup></td></tr></table>
D. 2 2n
E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2<sup>n - 1</sup></center></td></tr><tr><td style="text-align: center;">2<sup>n</sup></td></tr></table>
Answer» B.
Discussion
57.

The fifth term of the sequence for which t

A. 5
B.
C. 10
D. 6
E. 8
Answer» E. 8
Discussion
58.

The 12th term of the series
1
+
x + 1
+
2x + 1
 + .......
xxx
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>11x + 1</center></td></tr><tr><td style="text-align: center;">x</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>12x + 1</center></td></tr><tr><td style="text-align: center;">x</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>x + 12</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 + 11</center></td></tr><tr><td style="text-align: center;">x</td></tr></table>
Answer» B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>12x + 1</center></td></tr><tr><td style="text-align: center;">x</td></tr></table>
Discussion
59.

How many terms of the series 1 + 2 + 3 ...... add upto 5050?

A. 50
B. 51
C. 100
D.
E. 101
Answer» D.
Discussion
60.

The sum of the first 8 terms of a geometric progression is 6560 and the common ratio is 3. The first term is

A. 1
B. 2
C. 3
D.
E. 4
Answer» C. 3
Discussion
61.

If the 4th term of an arithmetic progression is 14 and the 12th term is 70, then the first term is :

A. 10
B. 7
C. + 7
D.
E. + 10
Answer» C. + 7
Discussion
62.

Find the sum of first five terms of the following series :

A. <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>
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;">16</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;">16</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;">210</td></tr></table>
Answer» 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;">210</td></tr></table>
Discussion
63.

[2 + 3 + 4 + 5 + 6 +7 +8 + 9 +10 ] is equal to

A. 385
B. 2916
C.
D. 540
E. 384
Answer» E. 384
Discussion
64.

1 2 + 3 4 + .... 10 is equal to

A. 45
B.
C. 45
D. 54
E. 55
Answer» E. 55
Discussion
65.

Given 2 + 4 + 6 + .......+ 40 = 11480, then the value of 1 + 2 + 3 + ......+20 is :

A. 2870
B. 2868
C. 2867
D.
E. 2869
Answer» B. 2868
Discussion
66.

The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19, find the first term

A. 3
B. 5
C. 7
D. 8
Answer» B. 5
Discussion
67.

The sum of the series (1 + 0.6 + 0.06 + 0.006 + 0.0006 + ....) is

A. <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>
B. <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;">3</td></tr></table>
C. <table><tr><td rowspan="2">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;">3</td></tr></table>
D. <table><tr><td rowspan="2">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;">3</td></tr></table>
Answer» B. <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;">3</td></tr></table>
Discussion
68.

When simplified the product

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;">n</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;">n</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2(n - 1)</center></td></tr><tr><td style="text-align: center;">n</td></tr></table>
D.
E. <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;">n(n + 1)</td></tr></table>
Answer» 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;">n</td></tr></table>
Discussion
69.

Find the sum of the first five terms of the following series.

A.
B. <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>
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;">16</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;">16</td></tr></table>
E. <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;">210</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;">16</td></tr></table>
Discussion
70.

Given that 1 + 2 + 3 + .... x =
x(x + 1)
then 1 + 3 + 5 + ..... + 99 is equal to
2
A. 2250
B. 2500
C. 2525
D. 3775
Answer» E.
Discussion
71.

The nth term of the sequence
1
 ,
n + 1
 ,
2n + 1
 .......is
nnn
A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>n + 1</center></td></tr><tr><td style="text-align: center;">n</td></tr></table>
B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>n - n + 1</center></td></tr><tr><td style="text-align: center;">n</td></tr></table>
C. n + 1
D. 2
Answer» C. n + 1
Discussion
72.

The first odd number is 1, the second odd number is 3, the third odd number is 5 and so on. The 200th odd number is

A. 399
B. 421
C. 357
D. 599
Answer» B. 421
Discussion
73.

Which term of the sequence
1
 , -
1
,
1
 , -
1
..........is -
1
 ?
24816256
A. 9th
B. 8th
C. 7th
D. 5th
Answer» C. 7th
Discussion
74.

When simplified, the sum
1
 +
1
+
1
 +
1
+
1
 +......+
1
 is equal to
26122030n(n+1)
A.
B. <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;">n</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;">n + 1</td></tr></table>
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2(n + 1)</center></td></tr><tr><td style="text-align: center;">n</td></tr></table>
E. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>n</center></td></tr><tr><td style="text-align: center;">n + 1</td></tr></table>
Answer» E. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>n</center></td></tr><tr><td style="text-align: center;">n + 1</td></tr></table>
Discussion
75.

Find the value of 1 - 2 - 3 + 2 - 3 - 4 + 3 - 4 - 5 + ... + 100 terms . ?

A. -694
B. -626
C. -624
D. -676
Answer» C. -624
Discussion
76.

Find the sum of all numbers, which are divisible by 8 between 200 to 400. ?

A. 7800
B. 7600
C. 7200
D. 7900
Answer» B. 7600
Discussion
77.

4, 19, 49, ?, 229

A. 75
B. 109
C. 65
D. 169
Answer» C. 65
Discussion
78.

14, 33, 104, ?, 2110

A. 421
B. 433
C. 372
D. 840
Answer» B. 433
Discussion
79.

125, 80, 45. ?, 5

A. 20
B. 30
C. 25
D. 35
Answer» B. 30
Discussion
80.

656, 432, 320, 264, 236, ?

A. 222
B. 229
C. 232
D. 223
Answer» B. 229
Discussion
81.

2, 9, 28, 65, 126, ..... ?

A. 195
B. 199
C. 208
D. 217
Answer» E.
Discussion
82.

What is the 11th term of the series 1, 8, 15, ... ?

A. 69
B. 73
C. 71
D. 72
Answer» D. 72
Discussion
83.

6, 13, 32, ?, 130, 221.

A. 75
B. 69
C. 100
D. 85
Answer» C. 100
Discussion
84.

The wrong number in the sequence 1, 8, 27, 84, 125, 216, 343 is

A. 1
B.
C. 27
D. 84
E. 216
Answer» D. 84
Discussion
85.

41, 40, 36, ?, 11

A. 35
B. 27
C. 29
D. 30
Answer» C. 29
Discussion
86.

Given that 1 + 2 + 3 + ... + n =
n(n + 1) (2n + 1)
, then
6
A. 2616
B. 2585
C. 3747
D. 2555
Answer» C. 3747
Discussion
87.

50, 60, 75, 97.5, ?, 184.275, 267.19875

A. 120.50
B. 130.50
C. 131.625
D. 124.25
Answer» D. 124.25
Discussion
88.

1, 2, 6, 21, 88, 445, ?

A. 2230
B. 2676
C. 2580
D. 2670
Answer» C. 2580
Discussion
89.

600, 125, 30, ?, 7.2, 6.44, 6.288

A. 6
B. 10
C. 15
D. 11
Answer» E.
Discussion
90.

12, 24, 72, 144, 432, ?,

A. 728
B. 852
C. 864
D. 1296
Answer» D. 1296
Discussion
91.

39, 52, 78, 117, 169, ?,

A. 246
B. 182
C. 234
D. 256
Answer» D. 256
Discussion
92.

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

A. 13
B. <table><tr><td rowspan="2">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;">3</td></tr></table>
C. 12
D. None of these
Answer» E.
Discussion
93.

The numbers of the sequence 52, 51, 48, 43, 34, 27, 16 form a pattern. Which of them is misfit in the pattern ?

A. 27
B. 34
C. 43
D. 485
Answer» C. 43
Discussion
94.

If 1 + 10 + 10 + ......... upto n terms =
10&supn; - 1
 , then
9
A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td><td rowspan="2">(10<sup>n</sup> - 1) -</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4n</center></td></tr><tr><td style="text-align: center;">9</td><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>4</center></td><td rowspan="2">(10<sup>n</sup> - 1)- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4n</center></td></tr><tr><td style="text-align: center;">81</td><td style="text-align: center;">9</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>40</center></td><td rowspan="2">(10<sup>n</sup> - 1)- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4n</center></td></tr><tr><td style="text-align: center;">81</td><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>40</center></td><td rowspan="2">(10<sup>n</sup> - 1)- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4n</center></td></tr><tr><td style="text-align: center;">9</td><td style="text-align: center;">9</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>40</center></td><td rowspan="2">(10<sup>n</sup> - 1)- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4n</center></td></tr><tr><td style="text-align: center;">9</td><td style="text-align: center;">9</td></tr></table>
Discussion
95.

What term of the AP 10, 8, 6, 4, .... is - 28 ?

A. 15
B. 18
C. 19
D. 20
Answer» E.
Discussion
96.

The 9th term exceeds the fifth term of an AP by 32. The sum of the ninth and fifth terms is 114. Find the eight term of the AP. ?

A. 60
B. 63
C. 65
D. 68
Answer» D. 68
Discussion
97.

Find the missing term 6, ?, 21, 33, 48

A. 14
B. 20
C. 12
D. 18
Answer» D. 18
Discussion
98.

Find out the next term in the series 7, 11, 13, 17, 19, ...

A. 21
B. 23
C. 27
D. None of these
Answer» C. 27
Discussion
99.

Find the value of the expression 1 - 2 + 3 - 4 + 5 - 6 + 7 + .... upto 100 terms . ?

A. -150
B. -60
C. -100
D. -50
Answer» E.
Discussion
100.

12, 15, 36, ?, 480, 2415, 14508

A. 115
B. 109
C. 117
D. 121
Answer» D. 121
Discussion