Answer is not so hard! Just read the question carefully. Ans : 277 – 77 = 200 Follow us for more amazing math quizzes, facts, questions, puzzles, tips and tricks. #cbse #maths #ncert #cbsemaths #mathstudent #mathskills #mathstudents #mathstricks #mathslover #mathsclass #mathsquiz #mathsmemes #mathspuzzle #mathsrevision #mathsexam #mathsquestions #quickmaths #mathsforlife #mathsgames #mathsforkids #mathstrick #mathsstudent #mathslove #mathematics #mathproblems #mathematician #mathclass