Table gives the installed electricity capacity (gigawatts) from solar, wind and coal, plus population (millions), for states X and Y in 2011 and 2021.
| State | Year | Solar | Wind | Coal | Population (million) |
|---|---|---|---|---|---|
| X | 2011 | 20 | 10 | 40 | 50 |
| X | 2021 | 28 | 15 | 42 | 60 |
| Y | 2011 | 15 | 8 | 50 | 60 |
| Y | 2021 | 20 | 10 | 55 | 68 |
The per capita availability of electricity was the least in
AState X, year 2011
BState Y, year 2011 ✓ Correct
CState X, year 2021
DState Y, year 2021
Correct answer: (B) State Y, year 2011
Explanation
The per capita availability was least for State Y in 2011, so the answer is State Y, year 2011.
In State Y in 2011 the total capacity is 15 plus 8 plus 50, which is 73 gigawatts, for 60 million people.
That gives about 1.21 kW per person.
State X in 2011 gives about 1.4 kW and in 2021 about 1.41 kW.
State Y in 2021 gives about 1.25 kW.
So State Y in 2011 has the lowest figure at about 1.21 kW.
So the answer is State Y, year 2011.
Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.
Practise on Mcqkart →🎓 Book an expert →