What is the ratio of students participating in Song from Class VII and IX together to the students participating in Play from class VI and VIII together ?

Options

A. a) `143:153`
B. b) `265:256`
C. c) `144:157`
D. d) `163:171`

Answer

B

Explanation

Required ratio
`((10)/(100)xx1400+(10)/(100)xx1250)/((8)/(100)xx1500+(10)/(100)xx1360)`
`=165:156`