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 difference between the total number of studetns passed in Statistics in year 2012 and total number of students failed in Economics is year 2015.

Options

A. a) 690
B. b) 385
C. c) 485
D. d) 550

Answer

B

Explanation

Accroding to question,
Total no. of students passed in Satistics in year 2012 `=(55)/(100)xx2700=1485`
Total no. of students failed in Economocs in year 2015
`=(50)/(100)xx2200`
=1100
Required difference =1485-1100
=385