A house is fitted with 10 tubes each of 40 W. If all tubes are lighted for 10 hours and if the cost of one unit of electricity energy is ₹2.50 the total cost of electricity consumption is
A. ₹100
B. ₹20
C. ₹25
D. ₹10
Answer:D
A house is fitted with 10 tubes each of 40 W. If all tubes are lighted for 10 hours and if the cost of one unit of electricity energy is ₹2.50 the total cost of electricity consumption is
A. ₹100 B. ₹20 C. ₹25 D. ₹10