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. 51, 60, 79, 134, 215, 336

Ans:2
The pattern is as follows:

51 + 32 = 60

60 + 52 = 85

85 + 72 = 134

134 + 92 = 215

215 + 112 = 336

 

2. 151, 182, 251, 386, 605, 956

Ans:5
The pattern is as follows:

151 + 33 + 4 = 182

182 + 43 + 5 = 251

251 + 53 + 6 = 382

382 + 63 + 7 = 605

605 + 73 + 8 = 956

 

3. 2, 3, 60, 420, 3360, 30240

Ans:4
The pattern is as follows:

2 x 5 = 10

10 x 6 = 60

60 x 7 = 420

420 x 8 = 3360

3360 x 9 = 30240

 

4. 24, 24, 33, 39, 51, 57

Ans:2
The next number is obtained by adding sum of digits of the previous number:

24 + 2 + 4 = 30

30 + 3 + 0 = 33

33 + 3 + 3 = 39

39 + 3 + 9 = 51

51 + 5 + 1 = 57

 

5. 38, 52, 94, 164, 268, 388

Ans:5
The pattern is as follows:

38 + 14 x 1 = 52

52 + 14 x 3 = 94

94 + 14 x 5 = 164

164 + 14 x 7 = 262

262 + 14 x 9 = 388

 

Directions:(6-10) What should come in place of the question mark (?) in the following number series?

6. 15, 17, 22, 33, 50, ?

Ans:2
The pattern adds alternate prime numbers to the previous term:

15 + 2 = 17

17 + 5 = 22

22 + 11 = 33

33 + 17 = 50

50 + 23 = 73

 

7. 7529536, 537824, 38416, 2744, 196, ?

Ans:5
The pattern is as follows:

7529536/14 = 537824

537824/14 = 38416

38416/14 = 2744

2744/14 = 196

196/14 = 14

 

8.15.21, 16.81, 18.49, 20.25, ?

Ans:2
The pattern is (3.9)2, (4.1)2, (4.3)2, (4.5)2, (4.7)2

 

9. 5, 5, 12, 38, 101, ?

Ans:5
The pattern is,
5 + (13 – 1) = 5, 5 + (23 – 1) = 12, 12 + (33 – 1) = 38, 38 + (43 – 1) = 101, 101 + (53 – 1) = 225

 

10. 17, 27, 39, 53, ?

Ans:1
The pattern is 3×5+2=17, 4×6+3=27, 5×7+4=39, 6×8+5=53, 7×9+6=69