diff --git a/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/top-rank-per-group.md b/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/top-rank-per-group.md
index c9405c8f3f3..75405d38418 100644
--- a/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/top-rank-per-group.md
+++ b/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/top-rank-per-group.md
@@ -12,7 +12,8 @@ Find the top `n` ranked data in each group, where `n` is provided as a parameter
 
 Given the following data:
 
-<pre>[
+```js
+testData1 = [
   { name: 'Tyler Bennett', id: 'E10297', salary: 32000, dept: 'D101' },
   { name: 'John Rappl', id: 'E21437', salary: 47000, dept: 'D050' },
   { name: 'George Woltman', id: 'E00127', salary: 53500, dept: 'D101' },
@@ -27,29 +28,52 @@ Given the following data:
   { name: 'Kim Arlich', id: 'E10001', salary: 57000, dept: 'D190' },
   { name: 'Timothy Grove', id: 'E16398', salary: 29900, dept: 'D190' }
 ];
-</pre>
+```
 
-one could rank top 10 employees in each department by calling
+One could rank top 10 employees in each department by calling:
 
-`topRankPerGroup(10, data, 'dept', 'salary')`
+`topRankPerGroup(10, testData1, 'dept', 'salary')`
 
 Given the following data:
 
-<pre>[
+```js
+testData2 = [
   { name: 'Friday 13th', genre: 'horror', rating: 9.9 },
   { name: "Nightmare on Elm's Street", genre: 'horror', rating: 5.7 },
   { name: 'Titanic', genre: 'drama', rating: 7.3 },
   { name: 'Maze Runner', genre: 'scifi', rating: 7.1 },
   { name: 'Blade runner', genre: 'scifi', rating: 8.9 }
 ];
-</pre>
+```
 
-one could rank the top-rated movie in each genre by calling
+One could rank the top-rated movie in each genre by calling:
 
-`topRankPerGroup(1, data, 'genre', 'rating')`
+`topRankPerGroup(1, testData2, 'genre', 'rating')`
 
 The function should return an array with an array for each group containing the top `n` objects.
 
+For example, given data:
+
+```js
+[
+  { name: 'Claire Buckman', id: 'E39876', salary: 27800, dept: 'D101' },
+  { name: 'Rich Holcomb', id: 'E01234', salary: 49500, dept: 'D050' },
+  { name: 'David Motsinger', id: 'E27002', salary: 19250, dept: 'D050' },
+  { name: 'Tim Sampair', id: 'E03033', salary: 27000, dept: 'D101' },
+  { name: 'Kim Arlich', id: 'E10001', salary: 57000, dept: 'D050' },
+  { name: 'Timothy Grove', id: 'E16398', salary: 29900, dept: 'D101' }
+];
+```
+
+Top two ranking employees in each department by salary would be:
+
+```js
+[ [ { name: 'Kim Arlich', id: 'E10001', salary: 57000, dept: 'D050' },
+    { name: 'Rich Holcomb', id: 'E01234', salary: 49500, dept: 'D050' } ],
+  [ { name: 'Timothy Grove', id: 'E16398', salary: 29900, dept: 'D101' },
+    { name: 'Claire Buckman', id: 'E39876', salary: 27800, dept: 'D101' } ] ]
+```
+
 # --hints--
 
 `topRankPerGroup` should be a function.
@@ -64,22 +88,16 @@ assert(typeof topRankPerGroup === 'function');
 assert(typeof topRankPerGroup(-1, []) === 'undefined');
 ```
 
-First department should be D050
+For `topRankPerGroup(10, testData1, 'dept', 'salary')`, the first result in the first group should be `{ name: 'John Rappl', id: 'E21437', salary: 47000, dept: 'D050'}`.
 
 ```js
-assert.equal(res1[0][0].dept, 'D050');
+assert.deepEqual(res1[0][0], { name: 'John Rappl', id: 'E21437', salary: 47000, dept: 'D050'});
 ```
 
-First department should be D050
+For `topRankPerGroup(10, testData1, 'dept', 'salary')`, the last result in the last group should be `{ name: 'Adam Smith', id: 'E63535', salary: 18000, dept: 'D202' }`.
 
 ```js
-assert.equal(res1[0][1].salary, 21900);
-```
-
-The last department should be D202
-
-```js
-assert.equal(res1[3][3].dept, 'D202');
+assert.deepEqual(res1[3][3], { name: 'Adam Smith', id: 'E63535', salary: 18000, dept: 'D202' });
 ```
 
 `topRankPerGroup(1, ...)` should return only top ranking result per group.
@@ -88,7 +106,7 @@ assert.equal(res1[3][3].dept, 'D202');
 assert.equal(res2[2].length, 1);
 ```
 
-`topRankPerGroup(1, ...)` should return only top ranking result per group.
+`topRankPerGroup(2, ...)` should return two ranking results per group.
 
 ```js
 assert.equal(res3[2][1].name, 'Maze Runner');