0 votes 0 votes A set of $4$ parallel lines intersect with another set of $5$ parallel lines. How many parallelograms are formed? $2$0$ $48$ $60$ $72$ Quantitative Aptitude gate2018 numerical-ability counting + – gatecse asked Feb 20, 2018 recategorized Mar 17, 2021 by Lakshman Bhaiya gatecse 1.4k points answer comment Share Follow See all 0 reply Please log in or register to add a comment.