Let A=\1,4,7 and B=\2,3,8. Then the number of elements, in the relation R=\((a₁,b₁),(a₂,b₂)) ((A× B)×(A× B)): a₁+b₂ divides a₂+b₁ is _ _ _.

Sets, Relations and Functions: JEE Main 2026 Mathematics question

JEE Main 2026 · 5 Apr, Evening shift · Q21

JEE Main 20265 Apr, Evening shiftMathematicsMediumSets, Relations and Functions168× since 2002

Let

A=\{1,4,7\}

and

B=\{2,3,8\}

. Then the number of elements, in the relation

R=\{((a_1,b_1),(a_2,b_2))\in((A\times B)\times(A\times B)): a_1+b_2 \text{ divides } a_2+b_1\}

is ______.

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2026 · 5 Apr, Evening shift · Q21

JEE Main 20265 Apr, Evening shiftMathematicsMediumSets, Relations and Functions168× since 2002

Let

A=\{1,4,7\}

and

B=\{2,3,8\}

. Then the number of elements, in the relation

R=\{((a_1,b_1),(a_2,b_2))\in((A\times B)\times(A\times B)): a_1+b_2 \text{ divides } a_2+b_1\}

is ______.

Your answerType your answer. Integers and decimals are accepted.