Series-Test 1

Series

Online exam in Series,Reasoning for Competitive exams like IBPS BANK PO/Clerical,SBI,RRB,SSC,LIC,UPSC-CSAT,SCRA.MAT,CMAT,MBA,SNAP,CAT,NTSE,CLAT

Series-Test 1

Subject :- Reasoning

Chapter :- Series – Test 1

Questions :- 25

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Question 1 of 25

1. Question
1 points

Category: Reasoning
Direction : Find the missing term in each of the following series :
1, 6, 15, ? 45, 66, 91
- 25
- 26
- 27
- 28
Correct

Clearly, the given sequence follows the pattern : +5, +9, +13, +17, +21, +25, …….
Thus, 1 + 5 = 6, 6 + 9 = 15, ………
So, missing term =m 15 + 13 = 28.

Incorrect

Clearly, the given sequence follows the pattern : +5, +9, +13, +17, +21, +25, …….
Thus, 1 + 5 = 6, 6 + 9 = 15, ………
So, missing term =m 15 + 13 = 28.
Question 2 of 25

2. Question
1 points

Category: Reasoning
Direction : Find the missing term in each of the following series :

2, 5, 9, 19, 37, ?
- 73
- 75
- 76
- 78
Correct

Clearly, we have : 2 x 2 + 1 = 5, 5 x 2 – 1 = 9, 9 x 2 + 1 = 19, 19 x 2 – 1 = 37, …….

So, missing term = 37 x 2 + 1 = 75.

Incorrect

Clearly, we have : 2 x 2 + 1 = 5, 5 x 2 – 1 = 9, 9 x 2 + 1 = 19, 19 x 2 – 1 = 37, …….

So, missing term = 37 x 2 + 1 = 75.
Question 3 of 25

3. Question
1 points

Category: Reasoning
Direction : Find the missing term in each of the following series :

4, 8, 28, 80, 244, ?
- 278
- 428
- 628
- 728
Correct

The terms of the given series are :
$3^{1} + 1, 3^{2} - 1, 3^{3} + 1, 3^{4} - 1, 3^{5} + 1, . . . . . . . . .$
So, missing term =
$3^{6} - 1 = 729 - 1 = 728 .$

Incorrect

The terms of the given series are :
$3^{1} + 1, 3^{2} - 1, 3^{3} + 1, 3^{4} - 1, 3^{5} + 1, . . . . . . . . .$
So, missing term =
$3^{6} - 1 = 729 - 1 = 728 .$
Question 4 of 25

4. Question
1 points

Category: Reasoning
Direction : Find the missing term in each of the following series :

10000, 11000, 9900, 10890, 9801, ?
- 10241
- 10423
- 10781
- 10929
Correct

Clearly, alternately we add and subtract 10% of a term to obtain the next term of the series.

Thus, 10000 + (10% of 10000) = 11000; 11000 – (10% of 11000) = 9900,

9900 + (10% of 9900) = 10890, 10890 – (10% of 10890) = 9801.

So, missing term = 9801 + (10% of 9801) = 9801 + 980 = 10781.

Incorrect

Clearly, alternately we add and subtract 10% of a term to obtain the next term of the series.

Thus, 10000 + (10% of 10000) = 11000; 11000 – (10% of 11000) = 9900,

9900 + (10% of 9900) = 10890, 10890 – (10% of 10890) = 9801.

So, missing term = 9801 + (10% of 9801) = 9801 + 980 = 10781.
Question 5 of 25

5. Question
1 points

Category: Reasoning
Direction : Find the missing term in each of the following series :

1, 4, 27, 16, ? , 36, 343
- 25
- 87
- 120
- 125
Correct

Clearly, the given series consists of cubes of odd numbers and squares of even numbers, i.e.,
$1^{3}, 2^{2}, 3^{3}, 4^{2}, . . . . . . . . . .$
So, missing term =
$5^{3} = 125 .$

Incorrect

Clearly, the given series consists of cubes of odd numbers and squares of even numbers, i.e.,
$1^{3}, 2^{2}, 3^{3}, 4^{2}, . . . . . . . . . .$
So, missing term =
$5^{3} = 125 .$
Question 6 of 25

6. Question
1 points

Category: Reasoning
Direction : Find the missing term in each of the following series :

Which fraction comes next in the sequence
$\frac{1}{2}, \frac{3}{4}, \frac{5}{8}, \frac{7}{16},$
?
- 9/32
- 10/17
- 11/34
- 12/35
Correct

Clearly, the numerators of the fractions in the given sequence form the series 1, 3, 5, 7, in which each term is obtained by adding 2 to the previous term.

The denominators of the fractions form the series 2, 4, 8, 16 i.e.,
$2^{1}, 2^{2}, 2^{3}, 2^{4} .$
So, the numerator of the next fraction will be (7+2) i.e. 9 and the denominator will be
$2^{5}$
i.e. 32.

Thus, the next term is
$\frac{9}{32}$
.

Incorrect

Clearly, the numerators of the fractions in the given sequence form the series 1, 3, 5, 7, in which each term is obtained by adding 2 to the previous term.

The denominators of the fractions form the series 2, 4, 8, 16 i.e.,
$2^{1}, 2^{2}, 2^{3}, 2^{4} .$
So, the numerator of the next fraction will be (7+2) i.e. 9 and the denominator will be
$2^{5}$
i.e. 32.

Thus, the next term is
$\frac{9}{32}$
.
Question 7 of 25

7. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

1, 9, 25, 49, ? 121
- 64
- 81
- 91
- 100
Correct

The given series consists of squares of consecutive odd numbers i.e
$1^{2}, 3^{2}, 5^{2}, 7^{2}, . . . . .$
So, missing term =
$9^{2} = 81 .$

Incorrect

The given series consists of squares of consecutive odd numbers i.e
$1^{2}, 3^{2}, 5^{2}, 7^{2}, . . . . .$
So, missing term =
$9^{2} = 81 .$
Question 8 of 25

8. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

4, 7, 12, 19, 28, ?
- 30
- 36
- 39
- 49
Correct

The pattern is + 3, + 5, + 7, + 9 …….

So, missing term = 28 + 11 = 39.

Incorrect

The pattern is + 3, + 5, + 7, + 9 …….

So, missing term = 28 + 11 = 39.
Question 9 of 25

9. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

11, 13, 17, 19, 23, 25, ?
- 26
- 27
- 29
- 37
Correct

The pattern is +2, +4, +2, +4, ………..

So, missing term = 25 + 4 = 29.

Incorrect

The pattern is +2, +4, +2, +4, ………..

So, missing term = 25 + 4 = 29.
Question 10 of 25

10. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

6, 12, 21, ?, 48
- 33
- 38
- 40
- 45
Correct

The pattern is +6, +9, +12, +15, ……..

So, missing term = 21 + 12 = 33.

Incorrect

The pattern is +6, +9, +12, +15, ……..

So, missing term = 21 + 12 = 33.
Question 11 of 25

11. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

2, 5, 9, ?, 20, 27
- 14
- 16
- 18
- 24
Correct

The pattern is +3, +4, +5, +6, …..

So, missing term = 9 + 5 = 14.

Incorrect

The pattern is +3, +4, +5, +6, …..

So, missing term = 9 + 5 = 14.
Question 12 of 25

12. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

6, 11, 21, 36, 56, ?
- 42
- 51
- 81
- 91
Correct

The pattern is +5, +10, +15, +20, …..

So, missing term = 56 + 25 = 81.

Incorrect

The pattern is +5, +10, +15, +20, …..

So, missing term = 56 + 25 = 81.
Question 13 of 25

13. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

10, 18, 28, 40, 54, 70, ?
- 85
- 86
- 87
- 88
Correct

The pattern is +8, +10, +12, +14, ……..

So, missing term = 70 + 18 = 88.

Incorrect

The pattern is +8, +10, +12, +14, ……..

So, missing term = 70 + 18 = 88.
Question 14 of 25

14. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

120, 99, 80, 63, 48, ? ………..
- 35
- 38
- 39
- 40
Correct

The pattern is – 21, – 19, -17, -15, ……

So, missing term = 48 – 13 = 35.

Incorrect

The pattern is – 21, – 19, -17, -15, ……

So, missing term = 48 – 13 = 35.
Question 15 of 25

15. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

22, 24, 28, ?, 52, 84
- 36
- 38
- 42
- 46
Correct

The pattern is +2, +4, +8, +16, ……..

So, missing term = 28 + 8 = 36.

Incorrect

The pattern is +2, +4, +8, +16, ……..

So, missing term = 28 + 8 = 36.
Question 16 of 25

16. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

4832, 5840, 6848,?
- 7815
- 7846
- 7856
- 7887
Correct

The pattern is + 1008.

So, missing term = 6848 + 1008 = 7856.

Incorrect

The pattern is + 1008.

So, missing term = 6848 + 1008 = 7856.
Question 17 of 25

17. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

10, 100, 200, 310, ?
- 400
- 410
- 420
- 430
Correct

The pattern is + 90, + 100, + 110, …..

So, missing term = 310 +120 = 430.

Incorrect

The pattern is + 90, + 100, + 110, …..

So, missing term = 310 +120 = 430.
Question 18 of 25

18. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

0, 2, 8, 14, ?, 34
- 20
- 23
- 24
- 25
Correct

The pattern is +2, +6, +6, +10, +10, …….

So, missing term = 14 + 10 = 24.

Incorrect

The pattern is +2, +6, +6, +10, +10, …….

So, missing term = 14 + 10 = 24.
Question 19 of 25

19. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

28, 33, 31, 36, ?, 39
- 32
- 34
- 38
- 40
Correct

The pattern is +5, -2, +5, -2, ……..

So, missing term = 36 – 2 = 34.

Incorrect

The pattern is +5, -2, +5, -2, ……..

So, missing term = 36 – 2 = 34.
Question 20 of 25

20. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

125, 80, 45, 20, ?
- 5
- 8
- 10
- 12
Correct

The pattern is -45, -35, -25, ………

So, missing term = 20 – 15 = 5.

Incorrect

The pattern is -45, -35, -25, ………

So, missing term = 20 – 15 = 5.
Question 21 of 25

21. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

2, 15, 41, 80,?
- 111
- 120
- 121
- 132
Correct

The pattern is + 13, + 26, +39, ………

So, missing term = 80 +52 = 132.

Incorrect

The pattern is + 13, + 26, +39, ………

So, missing term = 80 +52 = 132.
Question 22 of 25

22. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

6, 17, 39, 72, ?
- 83
- 94
- 116
- 127
Correct

The pattern is + 11, + 22, + 33, ……

So, missing term = 72 + 44 = 116.

Incorrect

The pattern is + 11, + 22, + 33, ……

So, missing term = 72 + 44 = 116.
Question 23 of 25

23. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

325, 259, 204, 160, 127, 105, ?
- 94
- 96
- 98
- 100
Correct

The pattern is -66, -55, -44, -33, -22, …….

So, missing term = 105 – 11 = 94.

Incorrect

The pattern is -66, -55, -44, -33, -22, …….

So, missing term = 105 – 11 = 94.
Question 24 of 25

24. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

1, 4, 10, 22, 46, ?
- 64
- 86
- 94
- 122
Correct

The pattern is +3, +6, +12, +24, ……

So, missing term= 46 +48 = 94.

Incorrect

The pattern is +3, +6, +12, +24, ……

So, missing term= 46 +48 = 94.
Question 25 of 25

25. Question
1 points

Category: Reasoning
Direction : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

4, 9, 25, ?, 121, 169, 289, 361
- 49
- 64
- 81
- 87
Correct

The given series consists of squares of consecutive prime numbers i.e.
$2^{2}, 3^{2}, 5^{2}, . . . . . . 11^{2}, 13^{2}, 17^{2}, 19^{2} .$
So, missing term =
$7^{2} = 49 .$

Incorrect

The given series consists of squares of consecutive prime numbers i.e.
$2^{2}, 3^{2}, 5^{2}, . . . . . . 11^{2}, 13^{2}, 17^{2}, 19^{2} .$
So, missing term =
$7^{2} = 49 .$

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