If the edge of a square is increased by 50%, what is the percentage increase of its circumference

Each edge of a cube is increased by 27/2x2 6x20ex0ex.Find the percentage increase in the surface area of the cube.

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The Railway Recruitment Board has released the RRB Group D Answer Key on 14th October 2022. The candidates will be able to raise objections from 15th to 19th October 2022. The exam was conducted from 17th August to 11th October 2022. The RRB (Railway Recruitment Board) is conducting the RRB Group D exam to recruit various posts of Track Maintainer, Helper/Assistant in various technical departments like Electrical, Mechanical, S&T, etc. The selection process for these posts includes 4 phases- Computer Based Test Physical Efficiency Test, Document Verification, and Medical Test.