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Sets and Relations question

2025 · 3 Apr · Shift 1 · Q30

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PYQ Library
JEE Main
Mathematics
Sets and Relations
2025 · 3 Apr · Shift 1 · Q30

Sets and Relations question

2025 · 3 Apr · Shift 1 · Q30

JEE MainMathematicsSets and RelationsMCQ+4 / −1

Let

\mathrm{A}=\{-3,-2,-1,0,1,2,3\}

. Let R be a relation on A defined by

x \mathrm{R} y

if and only if

0 \leq x^2+2 y \leq 4

. Let

l

be the number of elements in R and

m

be the minimum number of elements required to be added in R to make it a reflexive relation. Then

l+m

is equal to

A
18
B
20
C
17
D
19

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