CAT 2019 Averages Question (Medium)

Question

Average stipend of a group of students is 50 per day. The difference between maximum and minimum stipend is 45. If these 2 students are excluded, the average decreases by 1. Minimum earning lies between 42 to 47 and the number of students is a prime number, where both digits are also prime. What is

Optima Learn · Accepted Answer

Understanding The number of students must be a number that is itself prime, and additionally has both of its digits individually prime each digit drawn from the set 2,3,5,7 . The other details average stipend, the 45 max-min gap, the 1 average drop after excluding the two extreme earners, and the 42

CAT 2019 Averages — Previous Year Question

CAT 2019

Quantitative

Averages

Medium

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