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which color has the longest wavelength ?

How many isosceles triangles can be formed with no side exceeding 10?excluding equilateral triangles

Answer is 65 ,can anyone explain?

how to improve qa in short way to attempt in exam

sin30

How was the Railway exam?

For me, its GA Section is tough. They asked 2015 GA questions. what a rubbish.

Bhailog.....  Rrb-ntpc mains Kitna score kar rahe hain sab??  Any cutoff guesses?? 

i paid rs.113 to attend 5 mock tests yesterday. but i did not get any meesage from cracku regarding mock test, while clicking on mock test again by default it is showing that mock test is for premium users only like that eventhough i paid the money. is this site is genuine or fake and the person vijay who is in online is not giving any reply to my message regarding the procedure of mock test.. 

whai kind of books i have to read for gk.

how to find median and mode?

wt is percentile