NCERT 2022 | संबंध एवं फलन - L5 | relation and function | Class 11 गणित | Jitendra Sir | 10 AM |

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In class 12 there are 8 students. In class 11 there are 6 students .In class 10 there are 5 students . Total ways of selecting 10 students , such that there are at least 2 students from each class and at most 5 students from 11 students of Class 10 and 11 combined is 100k. Then find value of k

There are 5 students in class 10, 6 students in class 11 and 8 students in class 12. If the number of ways, in which 10 students can be selected from them so as to include at least 2 students from each class and at most 5 students from the total 11 students of class 10 and 11 is 100 k, then k is equal to _______.

which of the following relation are functions and give reason if it is a function determine its domain and range {(2,1),(4,2),(6,3),(8,4),(10,5),(12,6),(14,7)}

If A={1,2,3,4},B={1,5,9,11,15,16} and f={(1,5),(2,9),(3,1),(4,5),(2,11)} are the following statements true ? (i) f is a relation from A to B . (ii) f is a function from A to B Justify your answer.

If 1-5 , 6-10 , 11-15 , ..., are the classes of a frequency distribution , then the size of the class is "_______" .

The function = 6x-10=2(3x-5) is the composite of the functions y=2u and u =3x-5 . How are the derivatives of the derivaties of these three functions related ?