https://cracku.in/cat/history/1284447?src=test please check the question! when the number of students is 60, ooty is cheapest, but the solution says when number of students is 80 ooty is cheapest. could you please clarify!

Hi, when the number of students is 80, the cost per student for Ooty is around 240, the cost for Shimla is around 300 and the cost for Goa is around 700. So, 80 can be an answer.

yes, but none of these could be an answer too right?