JEE Main 2018

JEE Main 2018 Mathematics question on Sequences and Series

Let a1,a2,a3,…,a49a_1, a_2, a_3, \ldots, a_{49} be in AP such that ∑k=012a4k+1=416\sum_{k=0}^{12} a_{4k+1} = 416 and a9+a43=66a_9 + a_{43} = 66. If a12+a22+…+a172=140 ma_1^2 + a_2^2 + \ldots + a_{17}^2 = 140\, m, then mm is equal to
  1. A.
    66
  2. B.
    68
  3. C.
    34
  4. D.
    33
Show answer

Correct option: C

[JEE Main 2018]

Practise Sequences and Series the way it is asked

A timed set of real JEE Main Sequences and Series questions, graded as the exam grades. No sign-up.

Start a Sequences and Series test

More: all JEE Main Sequences and Series questions · JEE Main 2018 · Mathematics chapter list