Directions:(1-5) Find the next term in the series.

1.  41, 131, 271, 461, 701, ?

Ans:5
The pattern is as follows:

62 + 5 = 41

112 + 10 = 131

162 + 15 = 271

212 + 20 = 461

262 + 25 = 701

312 + 30 = 991

 

2. 4826809, 371293, 28561, 2197, 169, ?

Ans: 4
The pattern is as follows:

4826809/13 = 371293

371293/13 = 28561

28561/13 = 2197

2197/13 = 169

169/13 = 13

 

3. 57, 73, 91, 111, 133, ?

Ans: 4
The pattern is as follows:

8 x 7 + 1 = 57

9 x 8 + 1 = 73

10 x 9 + 1 = 91

11 x 10 + 1 = 111

12 x 11 + 1 = 133

13 x 12 + 1 = 157

 

4. 627, 640, 651, 660, 667, ?

Ans: 5
The pattern is as follows:

33 x 19 = 627

32 x 20 = 640

31 x 21 = 651

30 x 22 = 660

29 x 23 = 667

28 x 24 = 672

 

5. 64.0, 96.0, 240.0, 840.0, 3780.0, ?

Ans: 4
The pattern is as follows:

64 x 1.5 = 96.0

96 x 2.5 = 240.0

240 x 3.5 = 840.0

840 x 4.5 = 3780.0

3780 x 5.5 = 20790.0

 

Directions:(6-10) Find the next term in the series.

6. 10, 22, 42, 72, 114, ?

Ans: 5
The pattern is as follows:

10 + (3 x 4) = 22

22 + (4 x 5) = 42

42 + (5 x 6) = 72

72 + (6 x 7) = 114

114 + (7 x 8) = 170

 

7. 13, 13, 26, 39, 65, 104, ?

Ans: 5
The pattern is as follows:

13 + 13 = 26

13 + 26 = 39

26 + 39 = 65

39 + 65 = 104

65 + 104 = 169

 

8. 2227, 2083, 1962, 1862, 1781, ?

Ans: 5
The pattern is as follows:

2227 – 122 = 2083

2083 – 112 = 1962

1962 – 102 = 1862

1862 – 92 = 1781

1781 – 82 = 1717

 

9. 45360, 5040, 630, 90, 15, ?

Ans: 5
The pattern is as follows:

45360 ÷ 9 = 5040

5040 ÷ 8 = 630

630 ÷ 7 = 90

90 ÷ 6 = 15

15 ÷ 5 = 3

 

10. 7, 14, 56, 336, 2688, ?

Ans: 3
The pattern is as follows:

7 x 2 = 14

14 x 4 = 56

56 x 6 = 336

336 x 8 = 2688

2688 x 10 = 26880

 

8 thoughts on “Number Series”

  1. You actually make it seem really easy with your presentation but I find this topic to be actually
    one thing which I believe I’d never understand. It seems
    too complicated and very vast for me. I’m looking ahead
    for your subsequent submit, I’ll attempt to get the cling of it!
    Lista escape roomów

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top