Typing of ssc chsl

Can anyone tell me .it is written that typing should be done in 10 minute with 10500 key depression and somewhere it is written 15 minutes to type 2000 key depression .what is the actual speed. Pls clarify

What documents to bring on document verification day. Although i have read on net but i want to ask my fellow mates who have done document verification.

is it a typing test or documeint verificaton  i am having a major doubt plz someone help me