MPSC PYQScienceenglish
A house uses 1 fan of 100 W for 10 hours/day, 2 bulbs of 50 W each 5 hours/day. If electricity costs Rs. 5 per unit (kWh), calculate the monthly electricity bill for 30 days.
A.Rs. 150
B.Rs. 225
C.Rs. 300
D.Rs. 375
Correct answer: B