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यदि मै ₹100 में 11 पुस्तकें खरीदता हूं और 10 पुस्तकें ₹ 110 में बेच देता हूं, तो मुझे प्रत्येक पर कितने प्रतिशत लाभ होगा ?

why we fly from helicopter above land and then stay in air then come to ground at another place

Hi Team, In past CAT papers only last 3 years are available. WOuld be much more convienent if all question paper can be added along with solution

Is there any video on how to analyse the mocks. if there is could you provide me the link. if there is not Please make a video on the same. It would be a big help!!!

How can i reach/contact to a mentor?

I am facing issue to interpretation of RC's although my answers are getting correct.

23:72::38

23:72::38

An airplane flying 400 km covers first 100km at rate of 100kmph, second 100 km at 200kmph,third 100km at 300kmph and last 100km at 400kmph.

In this case why is the average speed not 250kmph?The speeds are in AP so should not the average be (400+100 )/2=250kmph?

cbnn