MPSC PYQScienceElectricity Numerical Worksheetenglish
(a) 300 watt washing machine is run for 1 hour per day.' If the rate of one unit is Rs.3.00, then what is the cost of electricity used for that machine in the month of March?
A.Rs. 279.00
B.Rs. 31.00
C.Rs. 27.00
D.Rs. 27.90
Correct answer: D