Physics, asked by yadav2vky, 5 months ago

plz answer the 4th question step by step so i can understand plz plz I don't want to know only answer I want the explanation plz answer it step by step ✌✌✌✌✌✌✌✌✌✌✌☺️☺️☺️❤️❤️❣️❤️❣️❤️✌❤️✌❤️✌❤️✌♥️♥️✌♥️✌♥️✌♥️✌♥️✌♥️✌​​​

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Answered by Narmeen2004
1

hello!!!

we need to add the number of students who got more than or equal to 60 marks

therefore

number of students who got 60 to 70 marks =10

number of students who got 70 to 80 marks =5

number of students who got 80 to 90 marks =3

number of students who got 90 to 100 marks =3

adding all we get ,

10 + 5 + 3 + 3 =21

therefore the answer is 21

option c

hope it helps

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