let A={1,2,3,4,5}.If 'f' is bijection from A to Asuch that f(k) is not equal to k, where k belongs to A,then the possible number of such functions is

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I got 80% in jee mains and am from sc category . Will i get a good NIT

Looking for an integrated JEE+NEET Coaching Classess for 2 years along with an ongoing normal syllabus related classes followed by regular revision tests, please.

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Ntse coaching for class 9 ncert student, fee and schedule

Can a class 9 student take admission in the course, 2- what is the duration and mode of full course ie how many student in one class.