{"vid":"V89","name":"Qnum_21","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_width":"9","labl":"Q21: Item scored correctly","var_qstn_qstnlit":"Qn21: The circumference of a tractor wheel is 176cm. How many times will it turn to cover a distance of 8.8km?","var_val_range":[{"units":"REAL","min":"0","max":"1"}],"var_sumstat":[{"value":"1453","type":"vald"},{"value":"40","type":"invd"}],"var_catgry":[{"value":"0","labl":null,"stats":"956","type":"freq"},{"value":"1","labl":null,"stats":"497","type":"freq"},{"value":"Sysmiss","labl":null,"stats":"40","type":"freq"}],"var_format":"numeric","var_format_schema":"other","fid":"F1","sid":"100","survey_idno":"APHRC-GEC-2017-1.0"}