Instructions

Read the information given below and answer the 3 associated questions.
During 2015-2019, the revenues of four companies P-S were as follows:

Question 10

It was discovered later that one of the companies misreported its revenue of one of the years. If the misreported revenue is replaced by the correct revenue, the revenues of that company over the five-year period will be in an arithmetic progression. The company that misreported its revenue was

Solution

If P's revenue in 2018 is 225 and S's revenue in 2016 is 160 then their revenues will be in A.P. 


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