Comprehension Passage
Direction: Study the following data carefully and answer the questions.
The pie chart given below shows the degree distribution of total carbon emissions in 4 different cities P, Q, R and S in the year of 2023.
Note: a2 + b2 = 1300
a and b are whole numbers.
If the carbon emission in city X is 90 kt which is 20% of city R, then in how many cities the level of carbon emission is moderate (including city X)?
The criteria are as follows -
If the carbon emission is below 100 kt, then the city has a low level of carbon emission.
If the carbon emission is between 100 - 550 kt, then the city has a moderate level of carbon emission.
If the carbon emission is above 550 kt, then the city has an extreme level of carbon emission.
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