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This plugin lets you create multiple choices quizzes. You display you quiz using a shortcode. 
The result of the quiz is automatically sent to the email specified in your shortcode. 
You have other option like, success_result and show_result if you want to display the the completed quiz to the user.

Quick Quiz

Udit Rawat

it is a online quiz application where user can create unlimited Quiz with time limit and show them on your wordpress blog,
the basic quiz structure is.
Quiz–>Set–>Subset–>Questions
It’s very simple, just follow instruction below to create a quiz
<ul>
<li>Create a set.</li>
<li>Create a subset and choose apropriate set for it.</li>
<li>Create number of questions for that subset/set</li>
<li>Create a exam / quiz, set test to show instruction with total/per question marks, time limit and negative marking.</li>
<li>Choose a set for that exam that’s it.</li>
</ul>
Import Export System::- 
You can import question form csv format and also export question and results to csv file, don’t forget to see import csv format before importing.
Important 
1:- Please go for theme integration if test page is bank 
2:- Update your permalink atleast once after you install plugin and it should be other then default structure

Exam Matrix

Wordpress online quiz plugin for making unlimited online quiz and exam.

Quick Quiz vs Exam Matrix