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SNAP 2018 Progression — Previous Year Question

Paper

SNAP 2018

Section

Quantitative

Topic

Progression

Difficulty

Medium

Question

SNAP 2018

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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