PPSC Past Paper Junior Clerk S & GD-2019 solved MCQs, Computer MCQs, Computer Short keys MCQs, PPSC Solved Past Papers MCQsThe shortcut key to paste copied text is ___?A. CTRL + V B. CTRL + B C. CTRL + O D. CTRL + N Columbus discovered?Simplify: (-20) + (-8) / (-2)* 3?