diff --git a/education/software development/ECE1400/Chapter 6 Exercises.md b/education/software development/ECE1400/Chapter 6 Exercises.md
index 3c141b4..ddd8f47 100644
--- a/education/software development/ECE1400/Chapter 6 Exercises.md	
+++ b/education/software development/ECE1400/Chapter 6 Exercises.md	
@@ -39,5 +39,20 @@ Output:
 
 > 4. Which one of the following statements is not equivalent to the other two (assuming that the loop bodies are the same?)
 ```c
-(a) for (i = 0; i < 10)
-```
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+for (i = 0; i < 10; i++) // (a)
+for (i = 0; i < 10; ++i) // (b)
+for (i = 0; i ++ < 10; ) // (c)
+```
+
+Answer:
+C is not the same as A and B, because the increment takes place before the loop body is executed.
+
+> 5. Which one of the following statements is not equivalent to the other two (assuming that the loop bodies are the same)?
+```c
+while (i < 10) {...} // (a)
+for (; i < 10;) {...} // (b)
+do {...} while (i < 10); // (c)
+```
+
+Answer:
+C is not the same as A and B, because the block is executed before the condition is checked.
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