![](https://blog.mahendras.org/Images/s2_clip_image002.png)
![](https://blog.mahendras.org/Images/s2_clip_image004.png)
![](https://blog.mahendras.org/Images/s2_clip_image006.png)
![](https://blog.mahendras.org/Images/s2_clip_image008.png)
![](https://blog.mahendras.org/Images/s2_clip_image010.png)
![](https://blog.mahendras.org/Images/s2_clip_image012.png)
![](https://blog.mahendras.org/Images/s2_clip_image014.png)
![](https://blog.mahendras.org/Images/s2_clip_image016.png)
11.25
3 1.5 1.5 2.25 4.5 ?
×0.5 ×1 ×1.5 ×2 ×2.5
88
3 10 22 39 61 ?
+7
+12 +17 +22 +27
62
9 14 21 32 45 ?
+5 +7 +11 +13 +17
Q-(1)
44
4 4 6 12 24 ?
+(12-1) +(22-2) +(32-3) +(42-4) +(52-5)
Q-(1)
771
2 4 11 37 153 ?
×1 +2 ×2 +3 ×3 +4 ×4 +5 ×5 +6
![](https://blog.mahendras.org/Images/s2_clip_image018.png)
![](https://blog.mahendras.org/Images/s2_clip_image020.png)
![](https://blog.mahendras.org/Images/s2_clip_image022.png)
![](https://blog.mahendras.org/Images/s2_clip_image024.png)
![](https://blog.mahendras.org/Images/s2_clip_image026.png)