Data Interpretation (Railway Maths) (Part – I)

Total Questions: 50

1. The following chart shows the production of an organization in various years from 2012 to 2016. Study the chart and answer the question. [Group D 17/08/2022 (Morning) ]

What was the percentage increase in the production from 2015 to 2016?

Correct Answer: (a) 50%
Solution:

2. The following pie chart shows the percentage distribution of the expenditure incurred in manufacturing a scientific calculator. Study the pie chart and answer the question. [Group D 17/08/2022 (Morning) ]

If 500 products are manufactured and the direct labour cost on them amounts to ₹1,00,000, then what should be the selling price of the product so that the manufactures can earn a profit of 44%?

Correct Answer: (a) ₹1,200
Solution:

3. The following graph and table show the marks obtained by three persons- A, B and C in three exams Exam 1 Exam 2 and Exam 3. Study the graph and table, and answer the question asked. [Group D 17/08/2022 (Afternoon) ]

(Context- Test Exam)
If the marks for both test 1 and test 2 are 80 each, and for test 3 the rounding is 100, then considering the performance of all the three tests, A got what percent more marks than C?

Correct Answer: (d) 7.69%
Solution:

4. Study the following graph carefully and answer the question. [Group D 17/08/2022 (Evening) ]

For company A, what is the approximate percentage decrease in production from 2015 to 2016?

Correct Answer: (d) 20%
Solution:

5. The graph and the table below show the number of boys and girls passed in five different subjects i.e. Physics, Chemistry, Biology, English and Hindi. [Group D 17/08/2022 (Evening) ]

What is the ratio of the girls who have passed in Physics, Chemistry and Biology respectively?

Correct Answer: (a) 9 : 13 : 11
Solution:

Ratio of girls who have passed in Physics, Chemistry and Biology
= 135 : 195 : 165 = 9 : 13 : 11

6. The graph and the table below show the units sold by two salesmen, Mr. P and Mr. Q, in 4 months from January to April. Study the graph and the table and answer the question. [Group D 18/08/2022 (Morning) ]

What is the respective ratio of the total units sold by Mr. P and Mr. Q during the 4 months?

Correct Answer: (b) 25 : 23
Solution:

7. The bar graph given below shows the data on the production of milk products (in thousand tonnes) by three branches, X, Y and Z, of a dairy product company over the years. Study the graph and answer the question. [Group D 18/08/2022 (Evening) ]

For which branch(es) of the dairy product company was the average production for the given 4 years the minimum?

Correct Answer: (b) Branch Y
Solution:

8. The following chart shows the percentage of various products sold from an electronics goods shop during the year 2021. The total number of products sold from the shop during 2021 is 16800. Study the chart and answer the question. [Group D 22/08/2022 (Evening) ]

How many more Fans have been sold from the shop in comparison to Ovens during 2021?

Correct Answer: (b) 3360
Solution:

9. The following pie chart shows the percentage distribution of the expenditure incurred in manufacturing a power bank. Study the pie chart and answer the question. [Group D 23/08/2022 (Morning) ]

If 100 power banks are manufactured and the manufacturing cost on them amounts to ₹50,000, then what should be the selling price of the power banks so that the manufacturer can earn a profit of 50%?

Correct Answer: (b) ₹2500
Solution:

10. Study the following bar graph carefully and answer the question. [Group D 23/08/2022 (Afternoon) ]

What is the approximate percentage increase in the number of the eraser boxes sold from 2018 to 2020?

Correct Answer: (d) 57%
Solution: