does maths in GRE exam include basics of Maths or maths of XII or is it totally new?

Dear Nikita, Its a math of 12th Standard. Not even Derivatives and Integration too. Too much easy for a normal student. But you need to work on Vocabulary, as many people gets lesser marks in it. All the best.

Following is the syllabus Topics in Arithmetic Number Systems, Percentages, Profit & Loss, Simple & Compound Interest, Speed, Time and Distance, Pipes, Cisterns and Work Time, Simple & Weighted Averages, Ratio, Proportion & Variation, Mixtures and Alligation and Clocks and Calendars. Topics in Algeb