The following graph represents the production of electric scooters (in thousands) for the years 2020 and 2021 from five manufacturers P, Q, R, S, and T.
The ratio of the average production by all manufacturers in 2021 to the average production by all manufacturers in 2020 is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e 17 : 13.
The average production by all manufacturers in 2021 = 16 + 17 + 14 + 15 + 23 = 85
The average production by all manufacturers in 2020 = 6 + 12 + 14 + 20 + 13 = 65
The ratio = 85 : 65 = 17 : 13