alleryBars for A and B read 45 and 30. What is the ratio of A to B?
- 2 : 3
- 3 : 2
- 5 : 3
- 4 : 3
Show answer and solution
Correct answer: B. 3 : 2
45 : 30 reduces by 15 to 3 : 2.
RRB NTPC Data Interpretation — practice questions — page 2
Explore 51 free Data Interpretation questions in RRB NTPC Reasoning. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 31–51 of 51.
Bars for A and B read 45 and 30. What is the ratio of A to B?Read the answer and worked solution →A value goes from 250 to 200 between two bars. What is the percent decrease?Read the answer and worked solution →Exports were Rs 60 crore, 75 crore and 90 crore in 2019, 2020, 2021. Growth over 2019 to 2021?Read the answer and worked solution →Exports were 60, 75 and 90 crore in three years. Which year-on-year growth was higher?Read the answer and worked solution →Monthly rain is 20, 35, 50, 45 and 30 mm. What is the mean rainfall?Read the answer and worked solution →Four bars read 20, 30, 50 and 100. What share of the total is the tallest bar?Read the answer and worked solution →A line chart joins data points called markers using what?Read the answer and worked solution →On a line chart, which variable is often placed on the x-axis?Read the answer and worked solution →A line chart resembles a scatter plot except that its points are what?Read the answer and worked solution →Temperature readings were 24, 26, 29 and 31 degrees. What was the total rise?Read the answer and worked solution →Profit in lakh rupees was 12, 15, 9 and 18 in four years. In which year was there a fall?Read the answer and worked solution →Profit fell from 15 lakh to 9 lakh in a year. What is the percent fall?Read the answer and worked solution →Speed rises steadily from 20 to 50 km/h in 5 seconds. What is the rise per second?Read the answer and worked solution →Population grew from 40000 to 46000 in three years. What is the mean yearly rise?Read the answer and worked solution →A price moves 50, 60 and then 54. What is the percent fall from the peak?Read the answer and worked solution →Closing values are 100, 120 and 90 on three days. What is the largest daily change?Read the answer and worked solution →A histogram differs from a bar chart because each bin covers what?Read the answer and worked solution →Histogram bins are usually what kind of intervals?Read the answer and worked solution →Class intervals 0-10, 10-20, 20-30 have frequencies 5, 12 and 8. Which is the modal class?Read the answer and worked solution →Class frequencies are 4, 9, 14, 7 and 6. How many observations are there in all?Read the answer and worked solution →Frequencies are 6, 10 and 14 across three classes. What is the final cumulative frequency?Read the answer and worked solution →
Worked practice questions
A value goes from 250 to 200 between two bars. What is the percent decrease?
- 15 percent
- 20 percent
- 25 percent
- 50 percent
Show answer and solution
Correct answer: B. 20 percent
The fall is 50 on a base of 250, which is 20 percent.
Exports were Rs 60 crore, 75 crore and 90 crore in 2019, 2020, 2021. Growth over 2019 to 2021?
- 30 percent
- 40 percent
- 50 percent
- 60 percent
Show answer and solution
Correct answer: C. 50 percent
The rise is 30 crore on a base of 60 crore, which is 50 percent.
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