Comprehension Passage
Directions: Answer the questions based on the information given below.
The bar graph given below represents the monthly overview of the total electricity supplied (in KW) and the corresponding electricity consumption of five distinct households, each equipped with some electric appliances. The total electricity consumed by a household is calculated as the sum of electricity consumed by all the appliances within that household.


Note : (1) Total electricity supplied to all five households = 2400 KW
(2) If the total electricity supplied to household 'Q' is decreased by 60% while the percentage consumption remains the same, the difference in electricity consumption of the supplied electricity between household 'Q' and household 'T' would have been 50 kW.
What is the average consumption of the supplied electricity by households 'Q', 'R', and 'S' together?
1
458 KW
2
468 KW
3
478 KW
4
488 KW
5
498 KW