What is the difference between the total number of boys and total number of girls studying in all the standards together?
242
206
244
246
252
Difference between total number of boys and total number of girls in all the standards together =2353−(4500−2353)=206
What is the approximate ratio between total number of boys in standards seventh and ninth together and the total number of girls in standards fifth and sixth together respectively?
What is the percentage of the total number of boys in standards fifth, sixth and seventh together with respect to the total number of girls in standards eighth, ninth and tenth together (rounded off to nearest integer)?