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Concept drill

onto-functions

GATE CSE & IT · Algebraic Structures · 2015-2015

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Rosen — Discrete Mathematics and Its Applications

Discrete structures, counting, relations, graph theory

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2015 PYQ

The number of onto functions (subjective functions) from set $$X = \left\{ {1,2,3,4} \right\}$$ to set $$Y = \left\{ {a,b,c} \right\}$$ is __________________.

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GATE CSE & IT — onto-functions PYQ Drill | PYQLabs