saswata4s wrote:
The median score is 50
(1) Suppose, the class have 10 students. Now if median is 50, 5th and 6th students can both score 50, or they can score 40 and 60 respectively. For each case, the percentage will be different. Hence, Insuff.
(2) 100 students took the test. same situation as case (1). further, there is no information provided about the students who score above 75.
(1) & (2) together:
same as (1), either both 50th and 51st students can score 50, or they can score 40 & 50, or 45
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