a:1:{i:0;a:13:{s:2:"id";s:3:"657";s:7:"answer1";s:209:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B6%20%5Ccdot%2020%7D%7B24%20%5Cchoose%205%7D" alt="\frac{6 \cdot 20}{24 \choose 5}" /></p>";s:7:"answer2";s:231:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B6%20%5Ccdot%204%20%5Ccdot%2020%7D%7B24%20%5Cchoose%205%7D" alt="\frac{6 \cdot 4 \cdot 20}{24 \choose 5}" /></p>";s:7:"answer3";s:207:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B6%20%5Ccdot%204%7D%7B24%20%5Cchoose%205%7D" alt="\frac{6 \cdot 4}{24 \choose 5}" /></p>";s:7:"answer4";s:185:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B6%7D%7B24%20%5Cchoose%205%7D" alt="\frac{6}{24 \choose 5}" /></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:"1917";}}