Question

Cost of polishing outer surface area of a cylinder @ rupees 10 per 100 cm square whose surface area outer is 2640 cm square

Answer 1

HEY HERE IS YOUR ANSWER!!!!!

SO HOW TO DO IT , SOLUTION

COST OF POLISHING = RS 10 PER CM

SO FIRST CALCULATE HOW MUCH OF AREA WE NEED TO CALCULATE
= 2640÷100
= 26.40 cm sq.
there fore cost of polishing it
=26.40×rs10
=rs 264 is your answer