Hello Eshika 

The subject name its Quantitative Aptitude not Mathematics you will get questions of arthematic and statistics. Both the section consists of on an avg 25 marks. Somewhere somehow if you are non commerce student go for arthematics and if you are not from Maths background then go for stats portion don't waste your time on chapters which you see is taking lot of efforts…go for the chapters which you can do effortlessly and secure at least 25 marks…for this go through the trend question asked in previous year