CAT 2018 Progression — Previous Year Question
Year
CAT 2018
Section
Quantitative
Topic
Progression
Difficulty
Medium
Question
Slot-1
Simplify the given expression: 1 + 1/2 + 1/(2²) + 1/(2³) + ... + 1/(2^(n-1)) = ?
(2^n - 1)/2^(n-1)
(2^n - 2)/2^(n-1)
2 - 2^n
2^n / (2^n-1)
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