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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 6 of 6.
Swapnil said:   1 decade ago
But why are we calculating 20% to start with?

Can any one explain in detail?
Vikas said:   1 decade ago
20% of X = 30,600
so,
X=1,53,000
Now
15% of 1,53,000=22,950
David said:   1 decade ago
I agree with Siddharth's procedure, clear concept.
Atin said:   1 decade ago
I found that this solution is wrong why you are using 20% if the graph shows 10% for promotion.
Siddharth said:   1 decade ago
First calculate the TOTAL COST involved in all the process
20% of X = 30,600
so,
X=1,53,000
Now
15% of 1,53,000=22,950
(1)
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.
Areen said:   1 decade ago
15/20 20 is what .???
Anand said:   1 decade ago
Ratio =(15/20)

Ans=(15/20)x30600=22,950
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 !! :)
Deepthi said:   1 decade ago
How would you taken 20:15 can any one tell?
(1)
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