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how choose hindi as primary language?

How many 6 letter word can be formed from the word TRAVEL with T at starting position and L at the end

Sir I am Ritwik Das from Kolkata . i want to application for RRB Gr. D in RRB Ahemedabad . But i don't no where will be my exam enter . can I get my exam center for both preliminary & main  in KOLKATA  even i  applied  in RRB AHEMEDABAD .

Please reply me as soon as possible.

Thank You

we want PDFs for all subjects

I have doubt for calculating boundary points |x+y| + |x-y|<4 and how to plot graph for |x|-|y|<2???

sir Gudeve.
Today dated 10 Feb 2018. I have purchased ssc chsl Tier1 mocks by paying an amount of 117.
so after installing ur cracku app. Im unable to find those mock tests. plz can u xplain where i can get

where is My purchase series

I am a bsc student from bhu and if i crack the paper then the response of intervier is different for me bcz i m not doing the btech degree or there is any preference for btech students in cat examination 

A runner runs 5/4 laps of a 5 lap race.what fractional part of the race remains to be run?

Abhi tak sbi clerk 8 Feb ki test chalu kyu nhi hui.. reply fast