An outgoing batch of students wants to gift PA system worth Rs. 4200 to their school. If the teachers offer to pay 50% more than the students, and an external benefactor gives three times teachers’ contribution, how much should the teachers donate?

Question

An outgoing batch of students wants to gift PA system worth Rs. 4200 to their school. If the teachers offer to pay 50% more than the students, and an external benefactor gives three times teachers&rsquo; contribution, how much should the teachers donate?

Accepted Answer

900 — The ratios of the share of students, teachers and benefactor is 1 : 1.5 : 4.5. So, the proportion of teachers share is 1.5/7. So teachers would donate: (1.5 &times; 4200)/7 = Rs. 900 Hence, option (c).

CAT 1991 — QA Question 45

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