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Data Interpretation - Pie Charts - Discussion

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

The following pie-chart shows the percentage distribution of the expenditure incurred in publishing a book. Study the pie-chart and the answer the questions based on it.

Various Expenditures (in percentage) Incurred in Publishing a Book

1.
If for a certain quantity of books, the publisher has to pay Rs. 30,600 as printing cost, then what will be amount of royalty to be paid for these books?
Rs. 19,450
Rs. 21,200
Rs. 22,950
Rs. 26,150
Answer: Option
Explanation:

Let the amount of Royalty to be paid for these books be Rs. r.

Then, 20 : 15 = 30600 : r     =>     r = Rs. ( 30600 x 15 ) = Rs. 22,950.
20

Discussion:
60 comments Page 4 of 6.
Harish said:   2 days ago
20% = 30600(printing cost).
Then,
15% = x(royalty cost),
Let x be the amount to find,
Now cross multiply, and you will get the answer
x = 30600 x 15/20.
x = 22950.
Seun said:   9 years ago
@Siddharth, your answer is so clear.
Ilya said:   1 decade ago
Is there any simpler solution? solution provided is easier to analyze. I just still don't get why do we use 20 as the numerator. Thanks!
Cibin George said:   1 decade ago
20% is 30,600
Therefore 15% = ?
? = (15% * 30,600)/20%

i.e (15 * 30,6000)/20

Hope it helps !! :)
Anand said:   1 decade ago
Ratio =(15/20)

Ans=(15/20)x30600=22,950
Areen said:   1 decade ago
15/20 20 is what .???
Ashalatha said:   1 decade ago
How can you take 15/20 it is not mentioned that 20% is 30, 600. So how do you take that.
Atin said:   1 decade ago
I found that this solution is wrong why you are using 20% if the graph shows 10% for promotion.
David said:   1 decade ago
I agree with Siddharth's procedure, clear concept.
Vikas said:   1 decade ago
20% of X = 30,600
so,
X=1,53,000
Now
15% of 1,53,000=22,950
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