Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
A ceiling fan of power rating
60
W
60\,\text{W}
60
W
runs for
8
h
8\,\text{h}
8
h
every day. If the cost of electrical energy is Rs. 5 per kWh, what will be the cost of running the fan for 30 days? a) Rs. 144 b) Rs. 7.2 c) Rs. 72 d) Rs. 216
Browse the problem library