TOEFL

SAT is not required to study in Germany. I answered your previous question, you can check to understand. Please refer to DAAD website for studying in Germany.

Hi,
Start preparing your application process including taking these tests a year before the admission sessions. You can schedule the tests accordingly. Visit university websites for upcoming deadlines and prepare.

Hi Ankit,
I would advise you to take TOEFL as it is highly preferred. Please also check MIT website, TOEFL is not even mandatory but will depend on your profile. You can write to them.

Hi,
There is no set eligibility but to take SAT or ACT, you must be a high school student as these tests are given to study Bachelor degree. For TOEFL, there is no such requirement.

Hi,
It is difficult to gain admission without work experience but if you have an outstanding profile with excellent academic grades and all rounder profile then chances could be there. The decision will totally depend on the university admission selectivity and how strong your profile is.

Hi Arpit,
To study Bachelor degree in USA, you must take the SAT or ACT and TOEFL. If you don't plan to take these tests, you are not eligible to study in the States. You have to start the admission process a year ahead of the admission season. So, prepare accordingly and apply accordingly.

You need a CGPA of 4 and higher to apply to ivy leagues. Your overall profile that includes co-curricular, sports, community services, etc. should also be impressive.

Take a sample test on any of the free test sites and check your level. if you need preparation, you may join any of the classes mentioned by you to score high.

Hi,
You have to apply to the universities through common app or individually. Your SAT/ACT scores are sent directly by the respective agencies. With your application you will be required to submit your high school transcript, letter of recommendations from principal/counselor and teacher, an essay or Statement of purpose, etc.

IELTS :- International English Language Testing System-
Visit this link http://bit.ly/2mB6dGi to know everything about IELTS
TOEFL :- Test Of English As A Foreign Language.
Visit this link http://bit.ly/2mB5llf to know everything about TOEFL.
All the best!