Question

A certain household appliance consumes 10 units
of energy everyday. If the cost of 1 unit is rupees
four, then the cost of electricity bill for the month
of April is
(1) 1200
(2)400
(3)600
(4)200​

Answer 1

Answer:

1. 1200

Explanation:

if they consume 10 volts per day and 1 volt is of 4 rupees then one day's cost is 40 rupees. If there are 30 days in the month of April then 40 should be multiplied by 30 to get the required answer which is 1200