Numerical Approximation_Quiz

**Defect Description:**
There is an unclosed \<ol\> tag in the html source.

**Steps to reproduce the issue:**
Open the [quiz page](http://cse02-iiith.vlabs.ac.in/exp1/quiz.html)
View page source.

**Expected result:**
The \<ol\> tag should be closed

**Actual result:**
The  \<ol\> tag is not closed.



