Answer the following question on the basis of the bar graph given.
The number of years in which there was an increase in the revenue from at least two categories is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 2.
Year 1989 to 1990:
Journals = Increased from 46 to 47
Magazines = Increased from 31 to 39
Books: Increased from 73 to 77
Thus, all three categories saw an increase.
Year 1990 to 1991:
Journals = Decreased from 47 to 45
Magazines: Increased from 39 to 44
Books: Increased from 77 to 80
Thus, both magazines and books increased.
Year 1991 to 1992:
Journals = Decreased from 45 to 44
Magazines: Increased from 44 to 50
Books = Remained the same as 80
Thus, only magazines increased.
Here, the two years 1990 and 1991 in which at least two categories had an increase in revenue.
Therefore, the required answer is 2.