diff --git a/test/randomIntArrayInRange/randomIntArrayInRange.test.js b/test/randomIntArrayInRange/randomIntArrayInRange.test.js
index 9a7735e44..093fdba64 100644
--- a/test/randomIntArrayInRange/randomIntArrayInRange.test.js
+++ b/test/randomIntArrayInRange/randomIntArrayInRange.test.js
@@ -5,9 +5,15 @@ test('Testing randomIntArrayInRange', (t) => {
   //For more information on all the methods supported by tape
   //Please go to https://github.com/substack/tape
   t.true(typeof randomIntArrayInRange === 'function', 'randomIntArrayInRange is a Function');
+  const lowerLimit = Math.floor(Math.random() * 20);
+  const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
+  const arr = randomIntArrayInRange(lowerLimit,upperLimit, 10);
+  t.true(arr.every(x => typeof x === 'number'), 'The returned array contains only integers');
+  t.equal(arr.length, 10, 'The returned array has the proper length');
+  t.true(arr.every(x => (x >= lowerLimit) && (x <= upperLimit)),'The returned array\'s values lie between provided lowerLimit and upperLimit (both inclusive).');
   //t.deepEqual(randomIntArrayInRange(args..), 'Expected');
   //t.equal(randomIntArrayInRange(args..), 'Expected');
   //t.false(randomIntArrayInRange(args..), 'Expected');
   //t.throws(randomIntArrayInRange(args..), 'Expected');
   t.end();
-});
\ No newline at end of file
+});
diff --git a/test/randomIntegerInRange/randomIntegerInRange.test.js b/test/randomIntegerInRange/randomIntegerInRange.test.js
index b68a184db..41309c7e5 100644
--- a/test/randomIntegerInRange/randomIntegerInRange.test.js
+++ b/test/randomIntegerInRange/randomIntegerInRange.test.js
@@ -7,9 +7,9 @@ test('Testing randomIntegerInRange', (t) => {
   t.true(typeof randomIntegerInRange === 'function', 'randomIntegerInRange is a Function');
   const lowerLimit = Math.floor(Math.random() * 20);
   const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
-  t.true(Number.isInteger(randomIntegerInRange(lowerLimit,upperLimit)),'The returned value is a Integer');
+  t.true(Number.isInteger(randomIntegerInRange(lowerLimit,upperLimit)),'The returned value is an integer');
   const numberForTest = randomIntegerInRange(lowerLimit,upperLimit);
-  t.true((numberForTest >= lowerLimit) && (numberForTest <= upperLimit),'The returned value lies between provied lowerLimit and upperLimit (both inclusive).');  
+  t.true((numberForTest >= lowerLimit) && (numberForTest <= upperLimit),'The returned value lies between provided lowerLimit and upperLimit (both inclusive).');
   //t.deepEqual(randomIntegerInRange(args..), 'Expected');
   //t.equal(randomIntegerInRange(args..), 'Expected');
   //t.false(randomIntegerInRange(args..), 'Expected');
diff --git a/test/randomNumberInRange/randomNumberInRange.test.js b/test/randomNumberInRange/randomNumberInRange.test.js
index 2d3d46bde..15359481d 100644
--- a/test/randomNumberInRange/randomNumberInRange.test.js
+++ b/test/randomNumberInRange/randomNumberInRange.test.js
@@ -5,9 +5,14 @@ test('Testing randomNumberInRange', (t) => {
   //For more information on all the methods supported by tape
   //Please go to https://github.com/substack/tape
   t.true(typeof randomNumberInRange === 'function', 'randomNumberInRange is a Function');
+  const lowerLimit = Math.floor(Math.random() * 20);
+  const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
+  t.true(typeof randomNumberInRange(lowerLimit,upperLimit) === 'number','The returned value is a number');
+  const numberForTest = randomNumberInRange(lowerLimit,upperLimit);
+  t.true((numberForTest >= lowerLimit) && (numberForTest <= upperLimit),'The returned value lies between provided lowerLimit and upperLimit (both inclusive).');
   //t.deepEqual(randomNumberInRange(args..), 'Expected');
   //t.equal(randomNumberInRange(args..), 'Expected');
   //t.false(randomNumberInRange(args..), 'Expected');
   //t.throws(randomNumberInRange(args..), 'Expected');
   t.end();
-});
\ No newline at end of file
+});
diff --git a/test/testlog b/test/testlog
index b2347165e..c7d7ca129 100644
--- a/test/testlog
+++ b/test/testlog
@@ -1,4 +1,4 @@
-Test log for: Fri Feb 09 2018 13:23:32 GMT+0200 (GTB Standard Time)
+Test log for: Fri Feb 09 2018 13:30:29 GMT+0200 (GTB Standard Time)
 
 > 30-seconds-of-code@0.0.1 test G:\My Files\git Repositories\30-seconds-of-code
 > tape test/**/*.test.js | tap-spec
@@ -1210,16 +1210,21 @@ Test log for: Fri Feb 09 2018 13:23:32 GMT+0200 (GTB Standard Time)
   Testing randomIntArrayInRange
 
     √ randomIntArrayInRange is a Function
+    √ The returned array contains only integers
+    √ The returned array has the proper length
+    √ The returned array's values lie between provided lowerLimit and upperLimit (both inclusive).
 
   Testing randomIntegerInRange
 
     √ randomIntegerInRange is a Function
-    √ The returned value is a Integer
-    √ The returned value lies between provied lowerLimit and upperLimit (both inclusive).
+    √ The returned value is an integer
+    √ The returned value lies between provided lowerLimit and upperLimit (both inclusive).
 
   Testing randomNumberInRange
 
     √ randomNumberInRange is a Function
+    √ The returned value is a number
+    √ The returned value lies between provided lowerLimit and upperLimit (both inclusive).
 
   Testing readFileLines
 
@@ -1783,8 +1788,8 @@ Test log for: Fri Feb 09 2018 13:23:32 GMT+0200 (GTB Standard Time)
     √ Works with multiple promises
 
 
-  total:     881
-  passing:   881
+  total:     886
+  passing:   886
   duration:  2.4s