Solve this ?,
A man ? leaves from kerala? with 3 sacks???
of 30 coconuts each?.
He comes across 30 tolls?? till he reached Bangalore?.
He has to give 1 coconut? for each sack? containing coconuts? as toll tax at every toll??.
How much coconuts? are left with him at Bangalore❓
Think think… ?
Only master brain works??.