a geyser is rated 2000 watt and operates 2 hours daily on 200 volt mains calculate the monthly bill for running the Geyser when energy cost rupees 1.90 per kilowatt hour Share with your friends Share 0 Rana Siraj answered this perday = 2000×2=4000whr=4kwhr=4units permonth 4×30=120 units 120×4=480 rs 1 View Full Answer