What is the difference of students participating in song from class VIII and IX together to the students participating in Play from same class together ?

Options

A. a) 179
B. b) 182
C. c) 199
D. d) 188

Answer

A

Explanation

According to question,
Students who participate in song from class VIII and IX together
`=((1360xx25)/(100)+(1250xx10)/(100))=340+125=465`
Student who participate in play from class VII IX together
`=((1360xx10)/(100)+(1250xx12)/(100))=136+150=286`
Required difference `=(465-286)=179`