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Qn #875
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There are 50 questions in a paper. Find the number of ways in which a student can attempt one or more questions :
A.
${{2}^{50}-1}$
B.
${{2}^{50}+1}$
C.
${{2}^{50}-2}$
D.
${{2}^{50}+2}$
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❓ Question: There are 50 questions in a paper. Find the number... | TANCET Group Studies | Tancet Group Studies