What is the median of the data 526,265,726,672,625,248,482,252,276,267,284,256

Kumar's monthly salary is Rs. 54,000. He spends 1/6th of his salary as rent, 1/3rd as education, 1/4th as transport and the remaining as his savings. The amount saved by him as 

The sum of two rational numbers 1/3  and 1/4 is x times the difference between two numbers 1/3  and 1/4 what is the value of x

Abirami bought a suitcase for INR 2730 which including 5% of VAT (Value added Tax). What was the price of the suitcase before VAT was added

There are 2235 students in a school. Among them 1275 students are in group A and 215 students are in group B. Remaining students are in groups C. What is the percentage of students in group C

If A : B =7 : 8, B : C = 24 : 9 Find A : B : C