Rule of 72 Calculator Quiz

{"1":{"question":"Using the rule of 72...how many years does it take your money to double at 1%?","answer_a":"11","answer_b":"17","answer_c":"72","answer_d":"13","answer_correct":"C","mcurl":"rule72.php?num=1&pl=Calculate+Rule+of+72+Time"},"2":{"question":"Using the rule of 72...how many years does it take your money to double at 2%?","answer_a":"36","answer_b":"21","answer_c":"11","answer_d":"1","answer_correct":"A","mcurl":"rule72.php?num=2&pl=Calculate+Rule+of+72+Time"},"3":{"question":"How many years does it take 3% to double?","answer_a":"12","answer_b":"11","answer_c":"24","answer_d":"16","answer_correct":"C","mcurl":"rule72.php?num=3&pl=Calculate+Rule+of+72+Time"},"4":{"question":"Using the rule of 72...how many years does it take your money to double at 4%?","answer_a":"2","answer_b":"13","answer_c":"3","answer_d":"18","answer_correct":"D","mcurl":"rule72.php?num=4&pl=Calculate+Rule+of+72+Time"},"5":{"question":"How many years does it take 5% to double?","answer_a":"10","answer_b":"2","answer_c":"19","answer_d":"14.4","answer_correct":"D","mcurl":"rule72.php?num=5&pl=Calculate+Rule+of+72+Time"},"6":{"question":"Using the rule of 72...how many years does it take your money to double at 6%?","answer_a":"2","answer_b":"3","answer_c":"1","answer_d":"12","answer_correct":"D","mcurl":"rule72.php?num=6&pl=Calculate+Rule+of+72+Time"},"7":{"question":"Using the rule of 72...how many years does it take your money to double at 7%?","answer_a":"2","answer_b":"15","answer_c":"10.285714285714","answer_d":"13","answer_correct":"C","mcurl":"rule72.php?num=7&pl=Calculate+Rule+of+72+Time"},"8":{"question":"Using the rule of 72...how many years does it take your money to double at 8%?","answer_a":"16","answer_b":"14","answer_c":"9","answer_d":"21","answer_correct":"C","mcurl":"rule72.php?num=8&pl=Calculate+Rule+of+72+Time"},"9":{"question":"How many years does it take 9% to double?","answer_a":"18","answer_b":"21","answer_c":"4","answer_d":"8","answer_correct":"D","mcurl":"rule72.php?num=9&pl=Calculate+Rule+of+72+Time"},"10":{"question":"Using the rule of 72...how many years does it take your money to double at 10%?","answer_a":"20","answer_b":"2","answer_c":"7.2","answer_d":"3","answer_correct":"C","mcurl":"rule72.php?num=10&pl=Calculate+Rule+of+72+Time"},"11":{"question":"How many years does it take 11% to double?","answer_a":"23","answer_b":"14","answer_c":"15","answer_d":"6.5454545454545","answer_correct":"D","mcurl":"rule72.php?num=11&pl=Calculate+Rule+of+72+Time"},"12":{"question":"Using the rule of 72...how many years does it take your money to double at 12%?","answer_a":"4","answer_b":"20","answer_c":"6","answer_d":"5","answer_correct":"C","mcurl":"rule72.php?num=12&pl=Calculate+Rule+of+72+Time"},"13":{"question":"Using the rule of 72...how many years does it take your money to double at 13%?","answer_a":"16","answer_b":"7","answer_c":"5.5384615384615","answer_d":"6","answer_correct":"C","mcurl":"rule72.php?num=13&pl=Calculate+Rule+of+72+Time"},"14":{"question":"How many years does it take 14% to double?","answer_a":"14","answer_b":"4","answer_c":"5.1428571428571","answer_d":"7","answer_correct":"C","mcurl":"rule72.php?num=14&pl=Calculate+Rule+of+72+Time"},"15":{"question":"Using the rule of 72...how many years does it take your money to double at 15%?","answer_a":"8","answer_b":"11","answer_c":"4.8","answer_d":"16","answer_correct":"C","mcurl":"rule72.php?num=15&pl=Calculate+Rule+of+72+Time"},"16":{"question":"How many years does it take 16% to double?","answer_a":"16","answer_b":"11","answer_c":"4.5","answer_d":"25","answer_correct":"C","mcurl":"rule72.php?num=16&pl=Calculate+Rule+of+72+Time"},"17":{"question":"Using the rule of 72...how many years does it take your money to double at 17%?","answer_a":"2","answer_b":"12","answer_c":"4.2352941176471","answer_d":"24","answer_correct":"C","mcurl":"rule72.php?num=17&pl=Calculate+Rule+of+72+Time"},"18":{"question":"How many years does it take 18% to double?","answer_a":"11","answer_b":"4","answer_c":"20","answer_d":"7","answer_correct":"B","mcurl":"rule72.php?num=18&pl=Calculate+Rule+of+72+Time"},"19":{"question":"How many years does it take 19% to double?","answer_a":"4","answer_b":"25","answer_c":"3.7894736842105","answer_d":"10","answer_correct":"C","mcurl":"rule72.php?num=19&pl=Calculate+Rule+of+72+Time"},"20":{"question":"Using the rule of 72...how many years does it take your money to double at 20%?","answer_a":"12","answer_b":"3.6","answer_c":"9","answer_d":"21","answer_correct":"B","mcurl":"rule72.php?num=20&pl=Calculate+Rule+of+72+Time"},"21":{"question":"Using the rule of 72...how many years does it take your money to double at 21%?","answer_a":"15","answer_b":"3.4285714285714","answer_c":"1","answer_d":"8","answer_correct":"B","mcurl":"rule72.php?num=21&pl=Calculate+Rule+of+72+Time"},"22":{"question":"Using the rule of 72...how many years does it take your money to double at 22%?","answer_a":"24","answer_b":"1","answer_c":"3.2727272727273","answer_d":"4","answer_correct":"C","mcurl":"rule72.php?num=22&pl=Calculate+Rule+of+72+Time"},"23":{"question":"How many years does it take 23% to double?","answer_a":"3.1304347826087","answer_b":"18","answer_c":"22","answer_d":"8","answer_correct":"A","mcurl":"rule72.php?num=23&pl=Calculate+Rule+of+72+Time"},"24":{"question":"How many years does it take 24% to double?","answer_a":"8","answer_b":"13","answer_c":"3","answer_d":"1","answer_correct":"C","mcurl":"rule72.php?num=24&pl=Calculate+Rule+of+72+Time"},"25":{"question":"How many years does it take 25% to double?","answer_a":"20","answer_b":"13","answer_c":"2.88","answer_d":"7","answer_correct":"C","mcurl":"rule72.php?num=25&pl=Calculate+Rule+of+72+Time"}}