There are 10 questions in a question paper. In how many ways, a student can solve there questions, if he solves one or more question ?

There are 10 questions in a question paper. In how many ways, a studen

1.	There are 10 questions in a question paper. In how many ways, a student can solve there questions, if he solves one or more question ?
A.	1024
B.	1025
C.	1023
D.	1000
E.	None of the above
Answer» D. 1000