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Sets and Relations question

2023 · 15 Apr · Shift 1 · Q44

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PYQ Library
JEE Main
Mathematics
Sets and Relations
2023 · 15 Apr · Shift 1 · Q44

Sets and Relations question

2023 · 15 Apr · Shift 1 · Q44

JEE MainMathematicsSets and RelationsNumerical+4 / −1

Let

A=\{1,2,3,4\}

and

\mathrm{R}

be a relation on the set

A \times A

defined by

R=\{((a, b),(c, d)): 2 a+3 b=4 c+5 d\}

. Then the number of elements in

\mathrm{R}

is

\underline{\hspace{2cm}}

.

Numerical answer

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