Let and . How many ordered pairs satisfy…

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

Let

A=\{1,2\}

and

B=\{1,2,3\}

. How many ordered pairs

(a,b)\in A\times B

satisfy

a<b

? (a) 5 (b) 2 (c) 3 (d) 6