Missing Numbers Questions and Answers

1.13, 14, 30, 93, ?, 1885
A. 382
B. 376
C. 366
D. 327
E. 380
1. Answer - B. 376
Explanation :
13x1 + 1 = 14
14x2 + 2 = 30
30x3 + 3 = 93

2. 12, 21, 39, 75, ?, 291
A. 146
B. 164
C. 182
D. 147
E. None of these
Answer - D. 147
Explanation :
21 - 12 = 9
39 - 21 = 18
75 - 39 = 36…

3. 8, 9, 16, 51, ?, 15
A. 100
B. 130
C. 110
D. 200
E. 115
Answer - D. 200
Explanation :
8x1 + 1 = 9
9x2 - 2 = 16
16x3 + 3 = 51

4. 16, 9, 8, 13, 25, ?
A. 63.5
B. 9
C. 13
D. 8
E. 16
Answer - A. 63.5
Explanation :
16x 0.5 + 1 = 9
9x1 - 1 = 8
8x1.5 + 1 = 13

5. 12, 13, 24, 100, ? , 12688
A. 136
B. 296
C. 242
D. 792
E. 124
Answer - D. 792
Explanation ::
12x1 + 1 = 13
13x2 - 2 = 24
24x4 + 4 = 100
100x8 - 8 = 792
792x16 + 16=
12688

6. 11, 13, 18, 35, ?, 357
A. 13
B. 33
C. 16
D. 353
E. 100
Answer - E. 100
Explanation :
11 + 1² + 1= 13
13 + 2² + 1= 18
18 + 4² + 1= 35

7. 4, ?, 120, 595, 2376 7125
A. 7125
B. 120
C. 21
D. 595
E. 2376
Answer - C. 21
Explanation :
4x7 -7 = 21
21x6 -6 = 120
120x5 -5 = 595.

8. 64, 64, 73, 99, 164, ?
A. 164
B. 160
C. 175
D. 288
E. 103
Answer - D. 288
Explanation :
64 + 1³ - 1 = 64
64 + 2³ + 1 = 73
73 + 3³ - 1 = 99

9. 14, 27, 43, 65, ?, 157
A. 99
B. 75
C. 65
D. 23
E. 50
Answer - A. 99
Explanation :
14x2 - 1 = 27
27x2 - 11 = 43
43x2 - 21 = 65

10.15, 8, 9, 15, ?, 82.5
A. 99
B. 75
C. 32
D. 23
E. 50
Answer - C. 32
Explanation :
15x0.5 + 0.5 = 8
8x1 + 1 = 9
9x1.5 + 1.5 = 15

11.79, 152, 88, 142, 99, 130 ?
A.112
B.121
C.101
D.87
E.None of these
Answer - 1.112
Explanation :
79+9 =88 152-
10 = 142
88+11 = 99 142-
12 = 130
99+13 = 112

12.17, 22, 41, ?, 373
A.120
B.96
C.82
D.110
E.None of these
Answer - 4.110
Explanation :
17+2^2+1 = 22
22+4^2+3 = 41
41+8^2+5=110
110+16^2+7 = 373

13.206, 219, 240, 269, ?
A.319
B.283
C.306
D.354
E.None of these
Answer - 3.306
Explanation :
206+13 = 219
219+21(13+8) =240
240+29(13+16)=269
269+37(13+24) =306

14.5, 20, 130, 1155 , ?
A.13545
B.10656
C.11565
D.12685
E.None of these
Answer -4.12685
Explanation :
5x5-5 = 20
20x7-10 = 130
130x9-15 = 1155
1155x11 - 20 =12685

15.86, 46, 32,?, 36.5
A.39
B.30
C.31
D.29
E.None of these
Answer - 3.31
Explanation :
86x0.5+(3x1) = 46
46x0.5+(3x3) = 32
32x0.5+(3x5) = 31
31x0.5+(3x7) = 36.5

16.2, 2, 6, 30, 244, ?
A.987
B.2125
C.1280
D.3055
E.None of these
Answer - 4.3055
Explanation :
2x0.5x1+1 = 2
2x1x2+2 = 6
6x1.5x3+3 = 30
30x2x4+4 = 244
244x2.5x5+5 =3055

17.650, 1302, ?, 5256, 10640
A.2612
B.3212
C.2515
D.2416
E.None of these
Answer - 1.2612
Explanation :
650/0.5 +2 = 1302
1302/0.5+8 = 2612
2612/0.5+32 = 5256
5256/0.5+128=10640

18.97, 99, ?, 142.5, 27.625, 148.125
A.76
B.45.5
C.102.5
D.59
E.None of these
Answer - 2.45.5
Explanation :
97x1+2 = 99
99/2-4 = 45.5
45.5x3+6 = 142.5
142.5/4-8 = 27.625
27.625x5+10=148.125

19.12, 6.6. 9.96, ?, 33.55
A.17.96
B.21.45
C.18.75
D.20.05
E.None of these
Answer - 1.17.96
Explanation :
12x0.3+3 = 6.6
6.6x0.6+6 = 9.96
9.96x0.9+9 = 17.96
17.96x1.2+12 =33.55

20.?, 167, 189, 222, 266, 321
A.117
B.176
C.156
D.101
E.None of these
Answer - 3.156
Explanation :
156+11 = 167
167+22 =189
189+33 =222
222+44 = 266
266+55 = 321

21.2, 8, 12, 27, 58, 121
A. 8
B. 12
C. 27
D. 58
E. 121
Answer - A. 8
Explanation :
Wrong Number: 8
Correct Number: 5

22.895, 870, 821, 740, 619, 445
A. 895
B. 870
C. 821
D. 619
E. 445
Answer - E. 445
Explanation :
Wrong Number: 445
Correct Number: 450

23.664, 320, 150, 67, 28, 9.75
A. 664
B. 150
C. 67
D. 28
E. 150
Answer - D. 28
Explanation :
Wrong Number: 28
Correct Number: 27.50

24.8, 13, 9, 11, 10, 15
A. 8
B. 13
C. 11
D. 10
E. 15
Answer - C. 11
Explanation :
Wrong Number: 11
Correct Number: 14

25.16, 9, 8, 13, 25, 64
A. 64
B. 9
C. 13
D. 8
E. 16
Answer - A. 64
Explanation :
Wrong Number: 64
Correct Number: 63.5
16x0.5 + 1 = 9
9x1 - 1 = 8
8x1.5 + 1 = 13

26.12, 13, 24, 75, 296, 1480
A. 13
B. 296
C. 24
D. 1485
E. 12
Answer - D. 1485
Explanation :
Wrong Number: 470
Correct Number: 465
12x1 + 1 = 13
13x2 - 2 = 24
24x3 + 3 = 75
75x4 - 4 = 296
296x5 + 5 = 1485

27.11, 13, 16, 33, 100, 353
A. 13
B. 33
C. 16
D. 353
E. 100
Answer - E. 100
Explanation :
Wrong Number: 100
Correct Number: 96
11 + 1² + 1= 13
13 + 2² - 1= 16
16 + 4² + 1= 33…….

28.4, 20, 120, 595, 2376 7125
A. 7125
B. 120
C. 20
D. 595
E. 2376
Answer - C. 20
Explanation :
Wrong Number: 20
Correct Number: 21
4x7 -7 = 21
21x6 -6 = 120
120x5 -5 = 595.

29.64, 60, 75, 103, 168, 294
A. 64
B. 60
C. 75
D. 294
E. 103
Answer - B. 60
Explanation :
Wrong Number: 60
Correct Number: 66
64 + (1³ + 1) = 66
66 + (2³ + 1) = 75
75 + (3³ + 1) = 103

30.13, 25, 39, 50, 83, 125
A. 39
B. 25
C. 125
D. 13
E. 50
Answer - E. 50
Explanation :
Wrong Number: 50
Correct Number: 57
13x2 - 1 = 25
25x2 - 11 = 39
39x2 - 21 = 57

31.5 7 16 57 244 1245 7506
A. 5
B. 16
C. 7506
D. 7
E. None of these
Answer - D. 7
Explanation :
(5x1) + 1² = 6
(6x2) + 2² = 16….
Correct Number: 6

32.5 3 4 7.5 17 47 138
A. 5
B. 4
C. 47
D. 17
E. None of these
Answer - C. 47
Explanation :
5x0.5 + 0.5 = 3
3x1 + 1 = 4
4x1.5 + 1.5 = 7.5…..
Correct Number: 45

33.3 5 13 43 178 891 5353
A. 43
B. 178
C. 891
D. 5353
E. None of these
Answer - B. 178
Explanation :
3x1 + 2 = 5
5x2 + 3 = 13
13x3 + 4 = 43…..
Correct Number: 177

34.972 484 240 118 56 26.5 11.25
A. 240
B. 11.25
C. 118
D. 56
E. None of these
Answer - D. 56
Explanation :
972 / 2 - 2 = 484
484 / 2 - 2 = 240
240 / 2 - 2 = 118…..
Correct Number: 57

35.25 313 457 529 565 585 592
A. 457
B. 592
C. 313
D. 529
E. None of these
Answer - E.
None of these
Explanation :
25 + 9x32 = 313
313 + 9x16 = 457
457 + 9x8 = 529….
Wrong Number: 585
Correct Number: 583

36. 25 35 50 75 110 155 210
A. 50
B. 210
C. 25
D. 110
E. None of these
Answer - C. 25
Explanation :
30 + 5x1 = 35
35 + 5x3 = 50
50 + 5x5 = 75…..
Wrong Number: 25
Correct Number: 30

37.900 890 879 858 830 795 753
A. 753
B. 795
C. 890
D. 858
E. None of these
Answer - C. 890
Explanation :
900 - 7 = 893
893 - 14 = 879
879 - 21 = 858……
Wrong Number: 890
Correct Number: 893

38.16800, 7770, 1290, 3120, 1000, 240, 30
A. 1000
B. 7770
C. 3120
D. 78
E. None of these
Answer - A. 1000
Explanation :
7^5 - 7, 6^5 - 6, 5^5 - 5, 4^5 - 4…
Wrong Number: 1000
Correct Number: 1020

39.15 22 32 111 428 1538 12900
A. 22
B. 428
C. 1538
D. 12900
E.None of these
Answer - D. 12900
Explanation :
15x1 + (1x7) = 22
22x2 - (2x6) = 32
32x3 + (3x 5) = 111
111x4 - (4x4) = 428
428x5 + (5x3) = 2155
2155x6 - (6x2) = 12918
Correct Number: 12918

40.2580 645 322.5 80.62 45 10.07 5
A. 322.5
B. 645
C. 45
D. 10.07
E. None of these
Answer - C. 45
Explanation :
2580x0.25 = 645
645x0.5 = 322.5
322.5x0.25 = 80.62
80.62x0.5 = 40.31
Correct Number: 40.31