diff --git a/README.md b/README.md
index c2a8c6b..34f7454 100644
--- a/README.md
+++ b/README.md
@@ -15,24 +15,14 @@ Here, we will take a real-world coding related problem. We will think about the
 
 
 ## 2 -  Number Related
-* **[2.1](Number-Relate "Max of two")** - **[Max of two](/Number-Relate)**
-* **[2.2](Number-Related/Math-Power.md "Max of three")** - **[Max of three](/Number-Related/User-input-to-Number.md)**
-* **[2.3](Number-Related/Math-Power.md "Average of numbers")** - **[Average of numbers](/Number-Related/Math-Power.md)**
+* **[2.1](Number-Related/max-of-two.md")** - **[Max of two](/Number-Related/max-of-two.md)**
+* **[2.2](Number-Related/Max-of-three.md "Max of three")** - **[Max of three](/Number-Related/Max-of-three.md)**
+* **[2.3](Number-Related/Average-of-numbers.md "Average of numbers")** - **[Average of numbers](/Number-Related/Average-of-numbers.md)**
 * **[2.4](Number-Related/Divisible-by-3-and-5.md "Divisible by 3 and 5")** - **[Divisible by 3 and 5](/Number-Related/Divisible-by-3-and-5.md)**
-* **[2.5](Number-Related/Sum-of-digits.md "Sum of digits")** - **[Sum of digits](Loop-Related/Sum-of-digits.md)**
+* **[2.5](Number-Related/Sum-of-digits.md "Sum of digits")** - **[Sum of digits](/Number-Related/Sum-of-digits.md)**
 
 
 ## 3 -  Loop Related
-* **[3.1](Loop-Related/Coin-sum.md "Sum of elements")** - **[Sum of elements](Loop-Related/Coin-sum.md)**
-* ### 2 -  Number Related - 6-10
-* **[2.1](Number-Related/max-of-two.md "Max of two")** - **[Max of two](Number-Related/max-of-two.md)**
-* **[2.2](Number-Related/Max-of-three.md "Max of three")** - **[Max of three](Number-Related/Max-of-three.md)**
-* **[2.3](Number-Related/Average-of-numbers.md "Average of numbers")** - **[Average of numbers](Number-Related/Average-of-numbers.md)**
-* **[2.4](Number-Related/Divisible-by-3-and-5.md "Divisible by 3 and 5")** - **[Divisible by 3 and 5](Number-Related/Divisible-by-3-and-5.md)**
-* **[2.5](Number-Related/Sum-of-digits.md "Sum of digits")** - **[Sum of digits](Number-Related/Sum-of-digits.md)**
-
-
-* ### 3 -  Loop Related - 11-16
 * **[3.1](Loop-Related/Sum-of-elements.md "Sum of elements")** - **[Sum of elements](Loop-Related/Sum-of-elements.md)**
 * **[3.2](Loop-Related/Largest-element-of-a-list.md "Largest element of a list")** - **[Largest element of a list](Loop-Related/Largest-element-of-a-list.md)**
 * **[3.3](Loop-Related/Sum-of-squares.md "Sum of squares")** - **[Sum of squares](Loop-Related/Sum-of-squares.md)**
@@ -85,7 +75,7 @@ Here, we will take a real-world coding related problem. We will think about the
 * **[9.4](Medium/Greatest-common-divisor.md "Greatest common divisor")** -   **[Greatest common divisor](Medium/Greatest-common-divisor.md)** 
 * **[9.5](Medium/Least-Common-Multiple.md "Least Common Multiple")** -   **[Least Common Multiple](Medium/Least-Common-Multiple.md)** 
 
-## [10](Programming-Contest.md "Programming Contest") -  [Programming Contest](Programming-Contest.md) 
+## [10](Programming-Contest/Programming-Contest.md "Programming Contest") -  [Programming Contest](Programming-Contest/Programming-Contest.md) 
 
 ## 11 -  Simple Game