Question

what is the cost of using a 100w lamp for 6 hours at the rate of RS.2 per unit​

Answer 1

Answer:

is 1200

Explanation:

The lamp is 100w and it's for 6 hours and is per unit is the rs 2 it's are per unit

Then you can multiply the 6 hours to rs 2 per unit then you get the 12 then you will multiply with the 100 you get the 1200