1
WB JEE 2022
MCQ (More than One Correct Answer)
+2
-0
Change Language

Twenty metres of wire is available to fence off a flower bed in the form of a circular sector. What must the radius of the circle be, if the area of the flower bed be greatest?

A
10 m
B
4 m
C
5 m
D
6 m
2
WB JEE 2021
MCQ (More than One Correct Answer)
+2
-0
Change Language
Let P be a variable point on a circle C and Q be a fixed point outside C. If R is the midpoint of the line segment PQ, then locus of R is
A
a circle
B
a circle and a pair of straight lines
C
a rectangular hyperbola
D
a pair of straight lines
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