500+ Number Series Questions For Free Including Previous years

Number Series Questions 

When it comes to preparing for competitive exams, especially those related to banking, one cannot stress enough on the significance of “number series questions“. For many, number series questions might seem complex at first, but with the right guidance and practice, they can become one of the easiest and most scoring sections of any exam.

When we talk about number series questions for bank exams, the significance grows even more. The reason being that these questions often form a substantial chunk of the quantitative section. Over the years, number series questions for bank have been known to help aspirants maximize their scores, especially because they can be tackled in very little time. This is true not just for banking exams, but for various other competitive tests as well. In fact, number series questions for competitive exams are considered by many as a golden opportunity to bag those extra marks.

Let’s not forget, number series questions are not just about understanding the pattern or logic but also about speed and accuracy. Whether it’s number series questions for bank exams, or number series questions for competitive exams, or even more specific, number series questions for bank, mastering them is a sure-shot way to give your score a considerable boost.

To all the aspirants out there, remember this: number series is a very easy and most important topic. Its high-scoring potential means that with the right practice, you can easily get good marks in very little time. Dive into number series questions and unlock your potential to ace those exams!

Directions:(1-5) Find the wrong term in the series given below.

1. 21, 77, 211, 391, 697, 1077

Ans: 4
The pattern adds the number to product of a prime number and the number following it:
21 + 7 x 8 = 77
77 + 11 x 12 = 209
209 + 13 x 14 = 391
391 + 17 x 18 = 697
697 + 19 x 20 = 1077

 

2. 70, 132, 224, 354, 522

Ans: 2
The pattern is as follows:
43 + 6 = 70
53 + 7 = 132
63 + 8 = 224
73 + 9 = 352
83 + 10 = 522

 

3. 176, 218, 234, 258, 340, 410

Ans: 2
The series adds the product of the digits to the previous number:
176 + 42 = 218
218 + 16 = 234
234 + 24 = 258
258 + 80 = 338
338 + 72 = 410

 

4. 14442, 5838, 2202, 800, 282, 98

Ans: 5
The pattern is shown below:
14442/3 + 45 = 5838
5838/3 + 44 = 2202
2202/3 + 43 = 798
798/3 + 42 = 282
282/3 + 41 = 98

 

5. 11.8, 12.6, 13.4, 14.3, 14.8

Ans: 3
The pattern is shown below:
√140= 11.8
√160= 12.6
√180= 13.4
√200= 14.1
√220= 14.8

 

Directions:(6-10) Find the wrong term in the series given below.

6. 211, 213, 219, 237, 281, 405

Ans: 4
The next term is obtained by adding the number to the product of its digits.
211 + 2 = 213
213 + 6 = 219
219 + 18 = 237
237 + 42 = 279
279 + 126 = 405

 

7. 30, 39.0, 50.7, 67.91, 85.683, 111.3879

Ans: 2
The pattern is as follows:
30 x 1.3 = 39.0
39.0 x 1.3 = 50.7
50.7 x 1.3 = 65.91
65.91 x 1.3 = 85.683
85.683 x 1.3 = 111.3879

 

8. 77, 303, 475, 595, 677, 727

Ans: 4
The pattern is as follows:
77 + 152 + 1 = 303
303 + 132 + 1 = 473
473 + 112 + 1 = 595
595 + 92 + 1 = 677
677 + 72 + 1 = 727

 

9. 76, 140, 110, 124, 116, 120

Ans: 1
From the 3rd number, each successive term is average of previous 2 terms:
(76 + 140)/2 = 108
(140 + 108)/2 = 124
(108 + 124)/2 = 116
(124 + 116)/2 = 120

 

10. 77, 126, 164, 166, 202, 206

Ans: 3
The next term is obtained by adding the number to the square of the last digit of the previous number.
77 + 72 = 126
126 + 62 = 162
162 + 22 = 166
166 + 62 = 202
202 + 22 = 206