MathsJEE Main 21 Jan 2026, Shift 1·Q6·MCQ·Moderate

Sequences & Series · Geometric progression

Let

a_1, a_2, a_3, \ldots

be a G.P. of increasing positive terms such that

a_2\cdot a_3\cdot a_4 = 64

and

a_1 + a_3 + a_5 = \dfrac{813}{7}

. Then

a_3 + a_5 + a_7

is equal to:

(1)3256
(2)3252
(3)3244
(4)3248

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