a:11:{s:8:"required";i:1;s:12:"answerEditor";s:4:"text";s:14:"question_title";s:265:"I drove 50 km towards east from a city ‘S’ and then turned right and drove another 30 km. Now I turned to my left & drove another 30 km. Finally I turned my right & drove 30 km to reach a city ‘F’. Find the shortest straight distance between cities S and F.";s:14:"featureImageID";s:0:"";s:15:"featureImageSrc";s:0:"";s:11:"matchAnswer";s:6:"random";s:8:"autofill";s:0:"";s:10:"limit_text";s:1:"0";s:23:"limit_multiple_response";s:1:"0";s:17:"file_upload_limit";s:1:"0";s:16:"file_upload_type";s:0:"";}