Question

• Please upload the video of class 10 ch-12 ex-12.2 question no. 7
  

find the unknown length x of the following.please its urgent!

another way for doing this theorem 9.2 

circle rheorm 10.2

27 no i cant do

tally-ledger-list-in-pdf-format.pdf

A/x-a+ b/x-b=2c / x-c 

A passenger while boarding the plane, slipped from the stairs and got hurt. The pilot took passenger in the emergency clinic at the airport for treatment. Due to this plane got delayed by half an hour. To reach the destination 1500km away in time so that the passengers could the connecting flight,  the speed of plant was increased by 250km/hr than the usual speed find the usual speed 

A passenger while boarding the plane, slipped from the stairs and got hurt. The pilot took passenger in the emergency clinic at the airport for treatment. Due to this plane got delayed by half an hour. To reach the destination 1500km away in time so that the passengers could the connecting flight,  the speed of plant was increased by 250km/hr than the usual speed find the usual speed 

itr in tax %