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In a group of 10 students, the mean of the lowest 9 scores is 42 while the mean of the highest 9 scores is 47. For the entire group of 10 students, the maximum possible mean exceeds the minimum possible mean by
Question Posted on 28 Aug 2023
Home >> CAT >> CAT QA >> CAT 2020 Question Paper QA Slot 2 Question Number 1 |
CAT 2020 Question Paper QA Slot 2 Question Number 1
In a group of 10 students, the mean of the lowest 9 scores is 42 while the mean of the highest 9 scores is 47. For the entire group of 10 students, the maximum possible mean exceeds the minimum possible mean by
Choose the correct option from below list
(1)2
(2)6
(3)5
(4)4
Answer:-(4)4
Note:- 1:-2+47+47...=425/10=42.5 and 2:-42+42.....87=465/10=46.5 so answer 46.5-42.5=4 | |
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