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Friday, 9 October

JEE Main Maths · Sequences and Series

Conditions for Three Terms in AP or GP

Conditions for Three Terms in AP or GP (Sequences and Series) was asked 2 times in 2 JEE Main shifts, 2017–2025, out of the 42 shifts Lumi analysed.

Times asked
2
in 2 shifts
Years
2017–2025
Usual format
Single correct
Multi-step
Pattern
Occasional
repeats across shifts

How it is asked

  • Combined ap and gp conditions
  • Identify progression from algebraic condition

Difficulty

Easy 0Medium 1Hard 1

Where it sits

Chapter: Sequences and Series. Topic: AP and GP, 59 questions over 17 ideas.

Other repeat ideas in this topic

Every time it came

All 2 questions

Newest first, each with its options and official answer.

  1. 7 Apr 2025, Shift 1 · Q6Let x1,x2,x3,x4x_1, x_2, x_3, x_4 be in a geometric progression. If 2,7,9,52, 7, 9, 5 are subtracted respectively from x1,x2,x3,x4x_1, x_2, x_3, x_4, then the…MediumSingle correct
  2. 2 Apr 2017 (offline) · Q68For any three positive real numbers a, b and c, 9(25a2+b2)+25(c2−3ac)=15b(3a+c)9(25a^2+b^2)+25(c^2-3ac)=15b(3a+c). Then :HardSingle correct