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Friday, 9 October

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JEE Main 2024 · MathsMultiple choiceSingle correctHardConceptual

JEE Main 31 January 2024, Shift 2, Maths Q9

Question 9 of 90 in this shift, Maths question 9 of 30, Section A.

Let

f:\mathbb{R}\to(0,\infty)

be strictly increasing function such that

\lim_{x\to\infty}\frac{f(7x)}{f(x)}=1

. Then, the value of

\lim_{x\to\infty}\left[\frac{f(5x)}{f(x)}-1\right]

is equal to

(1)1
(2)7/5
(3)4
(4)0Official answer

Official answer

Option 4

NTA final key.

Chapter: Continuity and Differentiability
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.