10 votes 10 votes A test has twenty questions worth $100$ marks in total. There are two types of questions. Multiple choice questions are worth $3$ marks each and essay questions are worth $11$ marks each. How many multiple choice questions does the exam have? $12$ $15$ $18$ $19$ Quantitative Aptitude gatecse-2017-set2 quantitative-aptitude numerical-computation + – Arjun asked Feb 14, 2017 • edited Jun 7, 2018 by Milicevic3306 Arjun 5.4k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes A test has twenty questions worth 100 marks in total. There are two types of questions. Multiple choice questions are worth 3 marks each and essay questions are worth 11 marks each. How many multiple choice questions does the exam have? 20 questions totol 100 marks Multiple choice questions are worth 3 marks each and essay questions are worth 11 marks each. x+y=20----------------------------------------------------------1 3x+11y=100---------------------------------------------------2 solve 1 and 2 x=15 so MCQ are 15 akankshadewangan24 answered May 9, 2017 akankshadewangan24 comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes You can either simply check the options as well, like, let no. of questions be 15. So, 15*3 marks for multiple choice questions that is 45 marks. Subtract from 100 and see if the difference(100-45=55) is divisible by 11 or not! Setika Mehra answered Nov 13, 2020 Setika Mehra comment Share Follow See all 0 reply Please log in or register to add a comment.
