1.

In a certain test, there are n questions. In this test 2n−i students gave wrong answers to at least i questions, where i=1,2.....,n. If the total number of wrong answers given is 2047, then n is equal to ,

Answer»

In a certain test, there are n questions. In this test 2ni students gave wrong answers to at least i questions, where i=1,2.....,n. If the total number of wrong answers given is 2047, then n is equal to ,



Discussion

No Comment Found