JEE Main 2017 · MathsMultiple choiceSingle correctMediumMulti-step

JEE Main 2 April 2017 (offline), Maths Q73

Question 73 of 90 in this shift, Maths question 13 of 30.

Twenty meters of wire is available for fencing off a flower-bed in the form of a circular sector. Then the maximum area (in sq. m) of the flower-bed, is :

(1)10
(2)25Official answer
(3)30
(4)12.5

Official answer

Option 2

CBSE answer key (25/04/2017, used for result).

Chapter: Application of Derivatives
Topic: Maxima and Minima
Idea tested: Optimization Problems

Same idea in other shifts

Asked 3× in all

9 Apr 2024, Shift 1 · Q7A variable line L passes through the point $(3,5)$ and intersects the positive coordinate axes at the points A and B. The minimum area of…MediumSingle correct
29 Jun 2022, Shift 1 · Q14A wire of length 22 m is to be cut into two pieces. One of the pieces is to be made into a square and the other into an equilateral…MediumSingle correct

Question text from the official JEE Main paper published by NTA (CBSE ran the 2017 exam); 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.