Question

A boy collects all the rain water falls on a flat rectangle surface of length 6m and breath 4m and transfer it into the cylindrical vessel of internal radius 20cm .what will be the height of the water in the cylindrical vessel, if the rain is 1cm?which value is depicted by boy?

if a,b, c, are the position vectors of the non-collinear points A,B,C respectively in space , show  that vector  bxc+cxa+axb is perpendicular of plane ABC . 

• Mohit paid 500 for electrical expenses 
  

Solve  

Tan^-1(-1)

What is lightining conductor

What is lightning conductor

How to prepare turnover calculation for TOT concern?

Prove that area(∆poq) + area(∆sor)= area (∆pos)+area(∆qor)=1/2 area (parallelogram pqrs)