Data Interpretation - Bar Charts - Discussion

Discussion Forum : Bar Charts - Bar Chart 5 (Q.No. 1)
Directions to Solve

Study the bar chart and answer the question based on it.

Production of Fertilizers by a Company (in 1000 tonnes) Over the Years


1.
What was the percentage decline in the production of fertilizers from 1997 to 1998?
33(1/3)%
20%
25%
21%
Answer: Option
Explanation:

Required percentage = [ (45 - 60) ] % = -25%.
60

Therefore There is a decline of 25% in production from 1997 to 1998.

Discussion:
12 comments Page 1 of 2.

Aiswarya said:   1 month ago
Percentage change = New − Old/Old​ ×100.
So, the year 1997 is an old one with the value 60,
And 1998 is the new one with the value 45.
So from the above formula.
Percentage change = 45 - 60/60 * 100 = -25%.
So there is 25% decline.

Sabyasachi said:   5 years ago
When they asked for 1997 to 1998 we should take 1998 as a denominator so the answer will be 33.33%.
(3)

Sangay Choden said:   5 years ago
Can anyone elaborate in detail? please.
(1)

Dileep said:   7 years ago
Why we take (45-60)/45?
(2)

Bhavani said:   7 years ago
(60-45) /45 = 1500/45.
= 33.3%.

The answer is not a negative percentage so because we can calculate interchange the year value because ask in question the decline percentage. The decline means a negative percentage.

Dhivya said:   8 years ago
Why doesn't take (60-45)?

Anyone elaborate, please.
(1)

Lakshmi narayana.P said:   10 years ago
Why doesn't (60 - 45) take?
(2)

Karthik kuppa said:   10 years ago
@Raza. Here there is nothing to elaborate. The question was asked in a negative way. So we have to get the answer in negative value. So we have to do it as 45-60 instead of 60-45. Thank you. :).

Shweta said:   1 decade ago
Because of percentage decline ask in question.
(1)

Raza said:   1 decade ago
Why (45-60)?

Why not (60-45)?

And can you elaborate the answer for me.
(2)


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