diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js b/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
index ca1dfe7f2..481852cae 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
@@ -11,6 +11,22 @@ function getAngleType(angle) {
   if (angle === 90) {
     return "Right angle";
   }
+  else if (angle < 90) {
+    return "Acute angle";
+  }
+  else if (angle > 90 && angle < 180){
+    return "Obtuse angle";
+  }
+  else if ( angle === 180){
+    return "Straight angle";
+  }
+  else if (angle > 180 && angle < 360) {
+    return "Reflex angle";
+  }
+   else  {
+    return "invalid angle";
+  }
+    
    // Run the tests, work out what Case 2 is testing, and implement the required code here.
    // Then keep going for the other cases, one at a time.
 }
@@ -50,14 +66,19 @@ assertEquals(acute, "Acute angle");
 // When the angle is greater than 90 degrees and less than 180 degrees,
 // Then the function should return "Obtuse angle"
 const obtuse = getAngleType(120);
+assertEquals(obtuse,"Obtuse angle");
 // ====> write your test here, and then add a line to pass the test in the function above
 
 // Case 4: Identify Straight Angles:
 // When the angle is exactly 180 degrees,
 // Then the function should return "Straight angle"
 // ====> write your test here, and then add a line to pass the test in the function above
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
 
 // Case 5: Identify Reflex Angles:
 // When the angle is greater than 180 degrees and less than 360 degrees,
 // Then the function should return "Reflex angle"
-// ====> write your test here, and then add a line to pass the test in the function above
\ No newline at end of file
+// ====> write your test here, and then add a line to pass the test in the function above
+const reflex = getAngleType(190);
+assertEquals(reflex, "Reflex angle" );
diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js b/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js
index a4739af77..e97ca93c1 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js
@@ -8,9 +8,7 @@
 // write one test at a time, and make it pass, build your solution up methodically
 
 function isProperFraction(numerator, denominator) {
-  if (numerator < denominator) {
-    return true;
-  }
+  return (Math.abs(numerator) < Math.abs(denominator))
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -46,6 +44,7 @@ assertEquals(improperFraction, false);
 // target output: true
 // Explanation: The fraction -4/7 is a proper fraction because the absolute value of the numerator (4) is less than the denominator (7). The function should return true.
 const negativeFraction = isProperFraction(-4, 7);
+assertEquals(negativeFraction,true)
 // ====> complete with your assertion
 
 // Equal Numerator and Denominator check:
@@ -53,7 +52,13 @@ const negativeFraction = isProperFraction(-4, 7);
 // target output: false
 // Explanation: The fraction 3/3 is not a proper fraction because the numerator is equal to the denominator. The function should return false.
 const equalFraction = isProperFraction(3, 3);
+assertEquals(equalFraction,false);
 // ====> complete with your assertion
 
 // Stretch:
 // What other scenarios could you test for?
+const bothNegativeProperFraction = isProperFraction(-3, -5);
+assertEquals(bothNegativeProperFraction,true);
+//
+const bothNegativeNotProperFraction = isProperFraction(-6, -5);
+assertEquals(bothNegativeNotProperFraction,false);
diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js b/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js
index 266525d1b..5bbf07439 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js
@@ -8,9 +8,23 @@
 // write one test at a time, and make it pass, build your solution up methodically
 // just make one change at a time -- don't rush -- programmers are deep and careful thinkers
 function getCardValue(card) {
+  let rank = card.slice(0, -1);
+  let intPart;
+  if (!isNaN(rank)){
+    intPart = parseInt(rank); 
+  }
   if (rank === "A") {
     return 11;
   }
+  else if (intPart >= 2 && intPart && intPart < 11){
+    return parseInt(rank)
+  }
+  else if(["J", "Q", "K"].includes(rank)) {
+    return 10;
+  }
+  else{
+    throw new Error("Invalid card rank.");
+  }   
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -39,19 +53,34 @@ assertEquals(aceofSpades, 11);
 // When the function is called with such a card,
 // Then it should return the numeric value corresponding to the rank (e.g., "5" should return 5).
 const fiveofHearts = getCardValue("5♥");
+assertEquals(fiveofHearts, 5);
 // ====> write your test here, and then add a line to pass the test in the function above
 
 // Handle Face Cards (J, Q, K):
 // Given a card with a rank of "10," "J," "Q," or "K",
 // When the function is called with such a card,
 // Then it should return the value 10, as these cards are worth 10 points each in blackjack.
+const cardOfJ = getCardValue("J♥");
+assertEquals(cardOfJ, 10);
+const cardOfQ = getCardValue("Q♠");
+assertEquals(cardOfQ, 10);
+const cardOfK = getCardValue("K♠");
+assertEquals(cardOfK, 10);
 
 // Handle Ace (A):
 // Given a card with a rank of "A",
 // When the function is called with an Ace,
 // Then it should, by default, assume the Ace is worth 11 points, which is a common rule in blackjack.
+const aceOfHeart = getCardValue("A♥");
+assertEquals(aceOfHeart, 11); 
 
 // Handle Invalid Cards:
 // Given a card with an invalid rank (neither a number nor a recognized face card),
 // When the function is called with such a card,
 // Then it should throw an error indicating "Invalid card rank."
+try {
+  getCardValue("W♥");
+  console.log("❌ Test failed: no error thrown");
+} catch (error) {
+  assertEquals(error.message, "Invalid card rank.");
+}
\ No newline at end of file
diff --git a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js
index 4a92a3e82..579ab00f4 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js
@@ -12,15 +12,28 @@ test("should identify right angle (90°)", () => {
 // Case 2: Identify Acute Angles:
 // When the angle is less than 90 degrees,
 // Then the function should return "Acute angle"
+test("should identify acute angle less then 90", () => {
+  expect(getAngleType(45)).toEqual("Acute angle");
+});
+
 
 // Case 3: Identify Obtuse Angles:
 // When the angle is greater than 90 degrees and less than 180 degrees,
 // Then the function should return "Obtuse angle"
+test("should identify obtuse angle greater then 90", () => {
+  expect(getAngleType(120)).toEqual("Obtuse angle");
+});
 
 // Case 4: Identify Straight Angles:
 // When the angle is exactly 180 degrees,
 // Then the function should return "Straight angle"
+test("should identify Straight angle that = 180", () => {
+  expect(getAngleType(180)).toEqual("Straight angle");
+});
 
 // Case 5: Identify Reflex Angles:
 // When the angle is greater than 180 degrees and less than 360 degrees,
 // Then the function should return "Reflex angle"
+test("should identify Reflex angle greater then 180 and less then 360", () => {
+  expect(getAngleType(220)).toEqual("Reflex angle");
+});
diff --git a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js
index caf08d15b..f5ce16628 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js
@@ -7,7 +7,16 @@ test("should return true for a proper fraction", () => {
 });
 
 // Case 2: Identify Improper Fractions:
+test("should return false for improper fraction", () => {
+  expect(isProperFraction(5, 2)).toEqual(false);
+});
 
 // Case 3: Identify Negative Fractions:
+test("should return true for negative fraction", () => {
+  expect(isProperFraction(-4, 7)).toEqual(true);
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return false for Equal Numerator fraction", () => {
+  expect(isProperFraction(3, 3)).toEqual(false);
+});
diff --git a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js
index 04418ff72..45a678fcc 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js
@@ -8,6 +8,25 @@ test("should return 11 for Ace of Spades", () => {
 });
 
 // Case 2: Handle Number Cards (2-10):
+test("Handle Number Cards (2-10)", () => {
+  const fiveofHearts = getCardValue("5♥");
+  expect(fiveofHearts).toEqual(5);
+});
 // Case 3: Handle Face Cards (J, Q, K):
+test("Case 3: Handle Face Cards (J, Q, K)", () => {
+  const cardOfJ = getCardValue("J♥");
+  expect(cardOfJ).toEqual(10);
+});
 // Case 4: Handle Ace (A):
+test("Case 4: Handle Face Cards (J, Q, K)", () => {
+  const aceOfHeart = getCardValue("A♥");
+  expect(aceOfHeart).toEqual(11);
+});
 // Case 5: Handle Invalid Cards:
+test("Case 5: Handle Invalid Cards", () => {
+ expect(() => { getCardValue("21♠") }).toThrow("Invalid card rank."); 
+});
+
+
+
+
diff --git a/Sprint-3/3-stretch/find.js b/Sprint-3/3-stretch/find.js
index c7e79a2f2..fb54f1848 100644
--- a/Sprint-3/3-stretch/find.js
+++ b/Sprint-3/3-stretch/find.js
@@ -20,6 +20,10 @@ console.log(find("code your future", "z"));
 // Pay particular attention to the following:
 
 // a) How the index variable updates during the call to find
+      // it changes during each iteration of cycle. (index++)
 // b) What is the if statement used to check
+     // in this example it check where is character in "str" and return its index.
 // c) Why is index++ being used?
+      // to change index value during iteration
 // d) What is the condition index < str.length used for?
+      // its a condition for while statement, cycle will repeat until statement is true
diff --git a/Sprint-3/3-stretch/password-validator.js b/Sprint-3/3-stretch/password-validator.js
index b55d527db..3c09520ff 100644
--- a/Sprint-3/3-stretch/password-validator.js
+++ b/Sprint-3/3-stretch/password-validator.js
@@ -1,5 +1,27 @@
 function passwordValidator(password) {
-    return password.length < 5 ? false : true
+    //return password.length < 5 ? false : true
+    const prevPasswords = ["Aa0Cc!ZzB#b91", "Aa0Cc!ZzB#b92","Aa0Cc!ZzB#b93"]
+    let result = true
+    if (password.length < 5){
+        result = false
+    }
+    const hasUppercase = /[A-Z]/.test(password);
+    const hasLowercase = /[a-z]/.test(password);
+    if (!hasLowercase || !hasUppercase){
+        result = false;
+    }
+    const hasNumber = /[0-9]/.test(password);
+    if (!hasNumber){
+        result = false
+    }
+    const hasSymbol =/[!#$%.*&]/.test(password);
+    if (!hasSymbol){
+        result = false
+    }
+    if (prevPasswords.includes(password)){
+        result = false
+    }
+    return result
 }
 
 
diff --git a/Sprint-3/3-stretch/password-validator.test.js b/Sprint-3/3-stretch/password-validator.test.js
index 8fa3089d6..946a1b9da 100644
--- a/Sprint-3/3-stretch/password-validator.test.js
+++ b/Sprint-3/3-stretch/password-validator.test.js
@@ -15,12 +15,42 @@ To be valid, a password must:
 You must breakdown this problem in order to solve it. Find one test case first and get that working
 */
 const isValidPassword = require("./password-validator");
-test("password has at least 5 characters", () => {
+test("Password has at least 5 characters", () => {
     // Arrange
-    const password = "12345";
+    const password = "Cc#1";
     // Act
     const result = isValidPassword(password);
     // Assert
+    expect(result).toEqual(false);
+}
+); 
+test("Have at least one English uppercase letter (A-Z)", () => {
+    const password = "AaBb5%Cc#11Zz";
+    const result = isValidPassword(password);
+    expect(result).toEqual(true);
+}
+); 
+test("Have at least one English lowercase letter (a-z)", () => {
+    const password = "AaBbCcZ2#z";
+    const result = isValidPassword(password);
+    expect(result).toEqual(true);
+}
+); 
+test("Have at least one number (0-9)", () => {
+    const password = "1Aa0CcZz!Bb9";
+    const result = isValidPassword(password);
+    expect(result).toEqual(true);
+}
+); 
+test("Have at least one of the following non-alphanumeric symbols:", () => {
+    const password = "Aa0Cc!ZzB#b9";
+    const result = isValidPassword(password);
+    expect(result).toEqual(true);
+}
+); 
+test("Must not be any previous password in the passwords array.", () => {
+    const password = "Aa0Cc!ZzB#b9";
+    const result = isValidPassword(password);
     expect(result).toEqual(true);
 }
 );
\ No newline at end of file