Concept drill

counting

GATE Electronics & Communication · Counting Figures · 2017-2023

PYQs

50%

keyed

elite explanations

years appeared

Study anchor

Rosen — Discrete Mathematics and Its Applications

Discrete structures, counting, relations, graph theory

How many rectangles are present in the given figure?

The number of 3 digit numbers such that the digit 1 is never to the immediate right of 2 is