a:1:{i:0;a:13:{s:2:"id";s:3:"829";s:7:"answer1";s:167:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=5%20%5Csigma%2C%201%20%5Cpi" alt="5 \sigma, 1 \pi" /></p>";s:7:"answer2";s:167:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=4%20%5Csigma%2C%202%20%5Cpi" alt="4 \sigma, 2 \pi" /></p>";s:7:"answer3";s:167:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=3%20%5Csigma%2C%203%20%5Cpi" alt="3 \sigma, 3 \pi" /></p>";s:7:"answer4";s:167:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=1%20%5Csigma%2C%205%20%5Cpi" alt="1 \sigma, 5 \pi" /></p>";s:7:"answer5";s:0:"";s:7:"answer6";s:0:"";s:7:"answer7";s:0:"";s:7:"answer8";s:0:"";s:7:"answer9";s:0:"";s:8:"answer10";s:0:"";s:4:"good";s:10:"1000000000";s:8:"question";s:4:"2089";}}