The ratio between the school ages of Neelam and Shaan is 5:6 respectively. If the ratio between the one-third age of Neelam and half of Shaan's age of 5:9, then what is the school age of Shaan? Select the correct option:
A) 25 years B) 30 years C) 36 years D) Cannot be determined E) None of these
Let the school ages of Neelam and Shaan be 5x and 6x years respectively.   Then, (1/3 * 5x)/(1/2 * 6x) = 5/9   15 = 15   Thus, Shaan's age cannot be determined.   ANSWER:Cannot be determined
<result>D</result>
The ratio between the school ages of Neelam and Shaan is 5:6 respectively. If the ratio between the one-third age of Neelam and half of Shaan's age of 5:9, then what is the school age of Shaan?