Study the following table chart carefully and answer the questions given below:
The following table shows the discount % given by different stores on different books. The marked price of every book on all stores are same.
पुस्तक/Books दुकान/Stores 1 2 3 4 A 14% 25% 18% B 16% 14% 10% C 12% 10% D 6% 9%
16.98%
To find the approximate discount percentage for book A at store 2, let's first interpret the information given:
- The selling price of book A in store 1 is ₹395.
- The difference in the selling price between store 2 and store 3 is ₹36.825.
- From the given table, we know:
- Discount at Store 1 for book A is 14%.
- Discount at Store 3 for book A is 25%.
Next, we calculate the marked price of the book A:
- The discount at store 1 is 14%, so the selling price can be calculated as follows:
- Let the marked price be \(M\).
- Selling Price at Store 1 = \(M - \text{Discount at Store 1}\)
- \(395 = M - \left( \frac{14}{100} \times M \right)\)
- Simplifying, \(395 = M \times \left(1 - \frac{14}{100}\right) = M \times 0.86\)
- Therefore, \(M = \frac{395}{0.86} \approx 459.30\)
Now, calculate the selling price at store 3:
- The discount at store 3 is 25%, therefore:
- Selling Price at Store 3 = \(M - \left( \frac{25}{100} \times M \right)\)
- \(= 459.30 \times \left( \frac{75}{100} \right) = 459.30 \times 0.75 = 344.475\)
Given that the difference between store 2 and store 3 prices is ₹36.825:
- Let the selling price at store 2 be \(S_2\).
- Then, \(S_2 - 344.475 = 36.825\)
- Solving for \(S_2\), \(S_2 = 344.475 + 36.825 = 381.3\)
Finally, calculate the discount percentage at store 2:
- Discount at Store 2 = \(M - S_2 = 459.30 - 381.3 = 78\)
- Therefore, Discount Percentage = \(\frac{78}{459.30} \times 100\% \approx 16.98\%\)
Thus, the approximate discount percentage at store 2 is 16.98%.
The correct answer is: 16.98%.
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Important Questions from Data Interpetation (Notes)
Contours in the bivariate (weight, height) graph connect regions of approximately equal popula-tions. Which of the following interpretations is correct?
The function $f(x)$ is plotted against $x$ as shown. Extrapolate and find the value of the function at $x = -1$.
Which of the following inferences can be drawn from the above graph?
Number of times a research paper is viewed and cited is shown in the plot. In which month was the percentage increase in citation more than the double of the percentage increase in view?
- There are two examinations, A and B in a subject which are evaluated out of 30 and 70 marks, respectively. In order to pass the course the student has to get at least 40 % in total and at least 40 % in B. The following are the marks of the students $S_1$ to $S_4$.
Students A B $S_1$ 12 28 $S_2$ 10 29 $S_3$ 16 27 $S_4$ 05 29
The only student/s to have passed is/are
