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NDA Math Sets Relations and Functions

Consider the following for the next three (03) items that follow:
A university awarded medals in basket ball, football and volleyball. Only x students (x<6) got medal in all the three sports and the medals went to a total of 15x students. It awarded 5x medals in basketball, (4x+15) medals in football and (x+25) medals in volleyball.

[NDA II 2022]

Question : 3

Total: 90

How many received medals in exactly one of three sports?

[NDA II 2022]

21x−40
21x−35
20x−35.
20x−25

Validate

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