i need abrief theory on maths striaght lines.and also i need a brief planning to crack iit jee.what chapters i should concentrate on.and also i need a brief theory on physics -thermal properties of matter

A Pelton wheel works under a water power of 1.3MW. The hydraulic efficiency of turbine is 95%. Find runner power developed. If mechanical efficiency of turbine is 90%. Find overall efficiency and shaft power of turbine.

Which is the best DMS software for automobile management ?

what is meant by local status for jee mains?How local candidature will determine

What are the best resources for preparing  For The IAS ?

hello sir mere jee main 2021 me 98.1 persentile h ,meri rank kya hogi ,also i belog to obc categry so please tell me also the obc rank . please A humble request by a student