Demo 5

Series Completion Quiz

Time Remaining: 20:00

Quiz Results

Correct Answers: 0

Incorrect Answers: 0

Not Attempted: 0

1. What should come in place of '?' in the given series?
33 32 35 34 37 ?

40 38 37 36

Detailed Solution

Correct Answer: (d) 36

The series alternates between subtracting 1 and adding 3.
33 - 1 = 32
32 + 3 = 35
35 - 1 = 34
34 + 3 = 37
37 - 1 = 36

2. Which of the following numbers will replace the question mark (?) in the given series?
86 129 105 118 124 107 143 96 ?

149 153 138 162

Detailed Solution

Correct Answer: (d) 162

There are two alternating series.
Series 1: 86, 105, 124, 143 (Add 19 each time)
Series 2: 129, 118, 107, 96 (Subtract 11 each time). The next number would be from the first series: 143 + 19 = 162.

3. What should come in place of '?' in the given series?
126 1236 12336 123336 1233336 ?

12333336 12333363 12333366 1233633

Detailed Solution

Correct Answer: (a) 12333336

In the given series, the digit '3' is being inserted one more time in each subsequent number. The next number will be 12333336.

4. What should come in place of the question mark (?) in the given series?
32, 61, 90, 119, ?, 177

149 146 148 147

Detailed Solution

Correct Answer: (c) 148

The difference between consecutive numbers is 29.
32 + 29 = 61
61 + 29 = 90
90 + 29 = 119
119 + 29 = 148
148 + 29 = 177

5. What should come in place of the question mark (?) in the given series?
86, 88, 90, 92, 94, ?

96 97 98 99

Detailed Solution

Correct Answer: (a) 96

The series increases by 2 each time. 94 + 2 = 96.

6. Which of the following numbers will replace the question mark (?) in the given series?
[5/9], [14/9], [23/9], [32/9], [41/9], ?

[47/9] [50/9] [44/9] [49/9]

Detailed Solution

Correct Answer: (b) [50/9]

The numerator increases by 9 each time. 41 + 9 = 50. So the next term is [50/9].

7. Which of the following numbers will replace the question mark (?) in the given series?
19, ?, 43, 55, 67

24 33 31 41

Detailed Solution

Correct Answer: (c) 31

The difference between consecutive numbers is 12. 19 + 12 = 31.

8. What should come in place of? in the given series ?
131 141 161 191 231 ?

271 261 281 291

Detailed Solution

Correct Answer: (c) 281

The difference is increasing by 10 each time (10, 20, 30, 40). The next difference will be 50. 231 + 50 = 281.

9. What should come in place of the question mark (?) in the given series?
3977, 3877, 3777, 3677, 3577, ?

3477 3277 3333 3377

Detailed Solution

Correct Answer: (a) 3477

The series decreases by 100 each time. 3577 - 100 = 3477.

10. What should come in place of the question mark (?) in the given series?
129, 128, 124, 115, 99, ?

71 73 74 72

Detailed Solution

Correct Answer: (c) 74

The difference between the numbers is the square of consecutive integers starting from 1.
129 - 1^2 = 128
128 - 2^2 = 124
124 - 3^2 = 115
115 - 4^2 = 99
99 - 5^2 = 74.

11. What should come in place of '?' in the given series?
119 128 137 146 155 ?

162 161 164 163

Detailed Solution

Correct Answer: (c) 164

The series increases by 9 each time. 155 + 9 = 164.

12. What should come in place of the question mark (?) in the given series?
512, 1000, 1728, 2744, 4096, 5832, ?

9261 4000 8000 6000

Detailed Solution

Correct Answer: (c) 8000

The series consists of cubes of consecutive even numbers, starting from 8.
8^3 = 512
10^3 = 1000
12^3 = 1728
14^3 = 2744
16^3 = 4096
18^3 = 5832
20^3 = 8000

13. What should come in place of '?' in the given series?
34 58 106 202 394 ?

778 798 792 774

Detailed Solution

Correct Answer: (a) 778

The pattern is to multiply the previous number by 2 and subtract 10.
34 * 2 - 10 = 58
58 * 2 - 10 = 106
106 * 2 - 10 = 202
202 * 2 - 10 = 394
394 * 2 - 10 = 778

14. What should come in place of '?' in the given series?
8, 15, 29, 57, 113, ?

223 225 222 224

Detailed Solution

Correct Answer: (b) 225

The pattern is to multiply by 2 and subtract 1.
8 * 2 - 1 = 15
15 * 2 - 1 = 29
29 * 2 - 1 = 57
57 * 2 - 1 = 113
113 * 2 - 1 = 225

15. Which of the following numbers will replace the question mark (?) in the given series?
67, 100, 146, 179, 225, 258, ?

304 292 318 325

Detailed Solution

Correct Answer: (a) 304

The series alternates between adding 33 and adding 46.
258 + 46 = 304

16. What should come in place of the question mark (?) in the given series?
40, ?, 18, 10, 4, 0

28 25 22 30

Detailed Solution

Correct Answer: (a) 28

The difference between consecutive numbers is decreasing by 2 each time (12, 10, 8, 6, 4).
40 - 12 = 28
28 - 10 = 18
18 - 8 = 10
10 - 6 = 4
4 - 4 = 0

17. Which of the following numbers will replace the question mark (?) in the given series?
103, 108, 112, 117, 121, 126, ?

127 147 130 138

Detailed Solution

Correct Answer: (c) 130

The series alternates between adding 5 and adding 4.
126 + 4 = 130

18. What should come in place of? in the given series?
6, 30, 174, ?, 6222, 37326

1098 1038 1008 1058

Detailed Solution

Correct Answer: (b) 1038

The pattern is to multiply the difference by 6.
6 * 5 = 30
30 * 5.8 = 174 (approx) - Let's re-examine.
Alternative pattern: Multiply by 6 and subtract 6.
6 * 6 - 6 = 30
30 * 6 - 6 = 174
174 * 6 - 6 = 1038
1038 * 6 - 6 = 6222
6222 * 6 - 6 = 37326. The correct answer is 1038.

19. What should come in place of the question mark (?) in the given series?
18, 30, 42, 54, 66, ?

70 73 82 78

Detailed Solution

Correct Answer: (d) 78

The series increases by 12 each time. 66 + 12 = 78.

20. What should come in place of the question mark (?) in the given series?
11, 18, 25, 32, 39, ?

44 45 43 46

Detailed Solution

Correct Answer: (d) 46

The series increases by 7 each time. 39 + 7 = 46.