Total advertisement revenues generated from printed version by Magazine P in January and April together is what percent less than the total advertisement revenues generated from online version by magazine S in February and June together ?

In case of Magazine R, between which two given months was there approximately 15% rise in advertisement revenues generated (from both printed and online version together) ? 

Total advertisement revenues generated from online version by Magazine U in all the given months together is by what percent more than the total advertisement revenues generated from printed version by the same magazine in all the given months together ?

Which of the given statement(s) is/are true ?

A. Total advertisement revenues generated from online version by Magazine T in all the given months together is exactly 44% less than the total advertisement revenues generated from printed version by the same magazine in all the given months together.

B. The difference between advertisement revenues generated (from both online and printed version) by all the given magazines in January and advertisement revenues generated (from both online and printed version) by all the given magazines in June is INR 62,000/-

C. Only for one magazine advertisement revenues generated from printed version displayed a constant increase from previous month during the given 6 months period.

In institutes P,T and U the percentage of girls out of total number of students with Electronics specialisation in respective institute is 50%, 55% and 48% respectively. What is the total number of boys in these three institutes with Electronics specialisation ?

If the number of students in institutes P,Q and R with IT specialisation increased by 15%, 22% and 10% respectively from 2012 to 2013, what was the total number of students with IT specialisation in the three institutes together in 2013?