No. of students and % of students passed out of those who appeared are given for two subjects from year 2011 to 2015 in a college XYZ.

Find the average number of studetns who were failed in Economics in year 2012 and year 2013 together ?

Options

A. 1435
B. 1565
C. 1720
D. 1590

Answer

B

Explanation

According to question,
No. of stuedens failed in Satistics in year 2013
`=(100-35)/(100)xx3800=2090`
No. of students, faild in Economics in year 2013
`((100-60))/(100)xx2600=1040`
Required average `=(2090+1040)/(2)=1565`