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CAT 2019 Progression — Previous Year Question

Year

CAT 2019

Section

Quantitative

Topic

Progression

Difficulty

Medium

Question

Slot-1

If a1+a2+a3+⋯+an=3(2n+1−2),a_1 + a_2 + a_3 + \dots + a_n = 3(2^{n+1} - 2), then find the value of a11. a_{11}.

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