Phrases Number Series Previous Year Question Paper and Solution with PDF

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Previous Year Questions
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Phrases Previous Year Questions (PYQs)

Phrases Number Series PYQ

Qus : 1

Which two of the following numbers comes in the next in the following sequence.

61, 57, 50, 61, 43, 36, 61, ………

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Solution

The given series is: 61,57 --- ( -7 )----> 50,61, 43 ---(-7)----> 36, 61, 29 ----(-7)----->22

Thus, following the same pattern next two terms will be 29 and 22.

Qus : 2

In the following sequence, which pair of numbers fill in the blanks?

1, 1, 3, 2, 8, 5, 21, 13, ___, ___

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Solution

The Fibonacci Sequence is the series of numbers:

1, 1, 2, 3, 5, 8, 13, 21, 34, 55

Qus : 3

Which of the following numbers comes next in the two-digit decimal number sequence 61, 52, 63, 94, ______?

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4
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Solution

Qus : 4

Find the missing number in the series: 4, 7, 25, 10, __________, 20, 16, 19

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Solution

Qus : 5

Find a number from the given options which best completes the series:

39, 416, 525,…......................., 749, 864

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Solution

Qus : 6

Find out the wrong number in the following number series:

56, 58, 62, 70, 84, 118, 182

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Solution

Qus : 7

Which of the following numbers come next in the series 8, 6, 9, 23, 87, ________?

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Solution

Qus : 8

Find out the missing number:

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4
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Solution

Qus : 9

Which number should come in place of the question mark (?) in the following chart:

1	7	9
2	14	?
3	105	117

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Solution

Qus : 10

Identify the next two numbers in the following sequence:

17, 20, 9, 12, 5, 6, 3, 2, ____, ____

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Solution

Sequence Question:

Identify the next two numbers in the sequence:

17, 20, 9, 12, 5, 6, 3, 2, ?, ?

Solution:

Let’s split the sequence into two alternate parts:

Odd-positioned terms: 17, 9, 5, 3 → decreasing by 8, 4, 2
Even-positioned terms: 20, 12, 6, 2 → decreasing by 8, 6, 4

Continue the pattern:

Odd series: 17 → 9 (–8), 9 → 5 (–4), 5 → 3 (–2), so next is 3 – 1 = 2
Even series: 20 → 12 (–8), 12 → 6 (–6), 6 → 2 (–4), so next is 2 – 2 = 0

✅ Final Answer:

2, 0

Qus : 11

Find the missing number

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4
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Solution

Qus : 12

Wrong number in the series 7, 8, 18, 57, 228, 1165, 6996

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Solution

The series is

7*1 + 1 = 8

8*2 + 2 = 18

18*3 + 3 = 57

57*4 + 4 = 232

232*5 + 5 = 1165

1165*6 + 6 = 6996

so 228 is wrong

Qus : 13

If 3 is subtracted from the middle digit of each of the following numbers and then the position of the digits are reversed, which of the following will be the last digit of the middle number after they are arranged in descending order?

589 362 554 371 442

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Solution

Digit Puzzle: Final Digit of the Middle Number

? Given Numbers: 589, 362, 554, 371, 442

Step 1: Subtract 3 from the middle digit of each number

589 → 589 → 559 → 559
362 → 362 → 332 → 332
554 → 554 → 524 → 524
371 → 371 → 341 → 341
442 → 442 → 412 → 412

Step 2: Reverse the digits of each new number

559 → 955
332 → 233
524 → 425
341 → 143
412 → 214

Step 3: Arrange in descending order

955, 425, 233, 214, 143

Step 4: Pick the middle number

Middle number = 233

Step 5: Find the last digit

Last digit of 233 = 3

✅ Final Answer: 3

Qus : 14

Complete the series:

3,10,24,45,73, ____

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Solution

Qus : 15

If 137+ 276 = 435, how much is 731 + 672/ ?

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Solution

137+276=435 (in base 8)

Hence, 731+672=6123

Qus : 16

Identify the fifth number in the series: 122, 144, 166, 188, ?

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4
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Solution

Qus : 17

Identify the sixth number in the series:

6, 11, 21, 36, 56, ?

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Solution

Qus : 18

The number that comes next in the series 1, 2, 3, 6, 11, 20, 37, 68,...

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Solution

0 + 1 + 2 = 3

1 + 2 + 3 = 6

2 + 3 + 6 = 11

3 + 6 + 11 = 20

6 + 11 + 20 = 37

11 + 20 + 37 = 68

so next number in the sequence would be;20 + 37 + 68 = 125

Qus : 19

What pair comes next in the following sequence 99, 90, 83, 78, ...

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4
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Solution

Qus : 20

Find out the wrong number in the FOLLOWING series.

2, 5, 10, 17, 26, 38, 50, 65

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Solution

Qus : 21

Find out the wrong number in the FOLLOWING series.

30, −5, −45, −90, −145, −195, −255

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Solution

Qus : 22

Choose the pair of number that comes next:

1 10 7 20 13 30 19

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Solution

Qus : 23

The following series is obtained by considering representations of decimal 99 in the different number system. The next two numbers in the sequence are

99, 90, 83, 78, ____, ____

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Solution

Qus : 24

Find the missing term 7 : 56 : : 9 : ?

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Solution

Qus : 25

The missing number in the following series 336, 210, 120, 60, ______, 6 is

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Solution

Qus : 26

What is the next number in each of the following 3 sequences?

8 17 33 67 133 ? (1)

7 23 67 203 607 ? (2)

6 27 105 423 1689 ? (3)

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Solution

Qus : 27

Which number replaces the question mark?

3, 6, 18, 72, ?, 432

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Solution

Qus : 28

What comes next in the sequence?

2, 6, 12, 20, 30,

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Solution

Qus : 29

Insert the missing number 8, 7, 11, 12, 14, 17, 17, 22, ?

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Solution

Qus : 30

Which of the following pairs of number follow the number in the series 2, 4, 12, 24, 72, _____, _____?

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4
Go to Discussion

Solution

2 x 2 = 4

4 x 3 = 12

12 x 2 = 24

24 x 3 = 72

72 x 2 = 144

144 x 3 = 432

Qus : 31

Which number replaces the question mark?

4, 9, 16, 25, ?, 49

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Solution

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Phrases Number Series PYQ

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Sequence Question:

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Continue the pattern:

✅ Final Answer:

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Digit Puzzle: Final Digit of the Middle Number

Step 1: Subtract 3 from the middle digit of each number

Step 2: Reverse the digits of each new number

Step 3: Arrange in descending order

Step 4: Pick the middle number

Step 5: Find the last digit

✅ Final Answer: 3

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