This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Data Handling > Class 7 Mathematics Chapter 3 Data Handling – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 3 Data Handling Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A grove of mangoes hangs on the top of a branch which is 2 M long and 40 cm above ground. A monkey can jump 40 CM at once. How many jumps does the monkey need to snap the grove? A) 6. B) 3. C) 8. D) 5. Show Answer Correct Answer: A) 6. 2. Which of the following is True about a series data structure in Pandas? A) Value of a series is mutable. B) Size of series is mutable. C) It is heterogenous data structure. D) Value of a series is immutable. Show Answer Correct Answer: A) Value of a series is mutable. 3. Which measures of central tendency get affected if the extreme observations on both the ends of a data arranged in descending order are removed? A) Mean and mode. B) Mean and Median. C) Mode and Median. D) Mean, Median and Mode. Show Answer Correct Answer: A) Mean and mode. 4. Which of the following is incorrect file handling mode in Python A) X. B) T+. C) R. D) B. Show Answer Correct Answer: B) T+. 5. Using Graph 1 on your worksheet work out how many apples were sold? A) 83. B) 86. C) 90. D) 80. Show Answer Correct Answer: B) 86. 6. What is 42% expressed as a decimal? A) 0.042. B) 0.42. C) 42. D) 4.2. Show Answer Correct Answer: B) 0.42. 7. ALL STATES OF INDIA A) IS A SET. B) IS NOT A SET. C) All the above. D) None of the above. Show Answer Correct Answer: A) IS A SET. 8. What does a Pictograph help in answering? A) Questions on the data in detail. B) Questions on the data with confusion. C) Questions on the data at a glance. D) Questions on the data with difficulty. Show Answer Correct Answer: C) Questions on the data at a glance. 9. ..... function returns current date and time. A) SET DATEFIRST. B) Cert ID. C) GETDATE. D) SYSDATETIME. Show Answer Correct Answer: C) GETDATE. 10. Which football team scored 6 goals in their openning match at the world cup in Qatar against Iran A) England. B) Wales. C) Germany. D) USA. Show Answer Correct Answer: A) England. 11. In a line graph, what does the x-axis represent? A) Independent variable. B) Legend. C) Dependent variable. D) Y-axis. Show Answer Correct Answer: A) Independent variable. 12. Which of the following takes a dict of dicts or a dict of array-like sequences and returns a DataFrame? A) DataFrame.from items. B) DataFrame.from records. C) DataFrame.from dict. D) All of the mentioned. Show Answer Correct Answer: A) DataFrame.from items. 13. What is the probability of getting prime numbers on rolling a dice? A) 1/2. B) 2/8. C) 3. D) None of the above. Show Answer Correct Answer: A) 1/2. 14. Data Frame in pandas is A) 1 dimensional array. B) 2 dimensional array. C) 3 dimensional array. D) None of the above. Show Answer Correct Answer: B) 2 dimensional array. 15. Numbers from 1 to 15 are written on separate slips(one number on one slip), kept in a box and mixed well. One slip chosen from the box without looking into it. What is the probability of getting a 2-digit number???? A) 3/5. B) 9/15. C) 2/5. D) 1/15. Show Answer Correct Answer: C) 2/5. 16. Which of the following is correct Features of DataFrame? A) Potentially columns are of different types. B) Can Perform Arithmetic operations on rows and columns. C) Labeled axes (rows and columns). D) All of the above. Show Answer Correct Answer: D) All of the above. 17. What is the probability of pulling a non-face card from a deck of cards? P(non-face card) = A) 12/52. B) 40/52. C) 52/52. D) 26/52. Show Answer Correct Answer: B) 40/52. 18. When a die is thrown, list the outcomes of an event of getting a number not greater than 5 A) 5. B) 6. C) 3. D) 4. Show Answer Correct Answer: D) 4. 19. The median of the set of numbers 12, 26, 17, 28, 10, 14 and 35 is A) 17. B) 28. C) 26. D) 44. Show Answer Correct Answer: A) 17. 20. How are the values represented on a circle graph? A) Values on a circle graph are represented as points on a scatter plot. B) Values on a circle graph are represented as bars on a bar graph. C) Values on a circle graph are represented as sectors or slices of the circle, where each sector's size is proportional to the value it represents. D) Values on a circle graph are represented as lines on a line graph. Show Answer Correct Answer: C) Values on a circle graph are represented as sectors or slices of the circle, where each sector's size is proportional to the value it represents. 21. Which chart is used to record frequency or count of data? A) Pie chart. B) Scatter plot. C) Bar chart. D) Line chart. Show Answer Correct Answer: C) Bar chart. 22. A bag contains 5 red marbles and 4 pink marbles. A marble is randomly drawn and then replaced. What is the probability the first marble is pink and the second is red? A) 5%. B) 20.0%. C) 26.9%. D) 24.7%. Show Answer Correct Answer: D) 24.7%. 23. What is the Probability of getting a RED KING from a well shuffled deck of 52 playing cards A) 1/13. B) 3/52. C) 1/52. D) 1/26. Show Answer Correct Answer: D) 1/26. 24. Bars height gives the ..... for each category A) Quantity. B) Quality. C) Scale. D) Average. Show Answer Correct Answer: A) Quantity. 25. In regards to separated value files such as.csv and.tsv, what is the delimiter? A) Any character such as the comma (, ) or tab (t) that is used to separate the row data. B) Anywhere the comma (, ) character is used in the file. C) Any character such as the comma (, ) or tab (t) that is used to separate the column data. D) Delimiters are not used in separated value files. Show Answer Correct Answer: C) Any character such as the comma (, ) or tab (t) that is used to separate the column data. 26. What will come when we will add 5/8 and 7/8 A) 12/8. B) 16/8. C) 21/8. D) None of the above. Show Answer Correct Answer: A) 12/8. 27. Clare tossed a coin three times. Find the probability of getting exactly two heads. A) 1/3. B) 3/8. C) 1/2. D) 2/8. Show Answer Correct Answer: B) 3/8. 28. There are 2 blue, 3 red and 5 black balls in a bag. what is the probability of getting a black ball? A) 1/3. B) 1/4. C) 1/2. D) None of these. Show Answer Correct Answer: C) 1/2. 29. Which is a python package used for 2D graphics? A) Matplotlib.pip. B) Food Plotlib.pt. C) Matplotlib.pyplot. D) Matplotlib.numpy. Show Answer Correct Answer: C) Matplotlib.pyplot. 30. Which of the following is the correct ethics of representing data using bar chart? A) Bar in the chart can only be drawn vertically. B) The width of each bar need not to be uniform. C) Scale must start from 0. D) The distance between two bars must be equal to the width of the bars. Show Answer Correct Answer: C) Scale must start from 0. 31. The mean of first 5 whole numbers is A) 0. B) 1. C) 3. D) 2. Show Answer Correct Answer: D) 2. 32. THE NEXT TRAFFIC LIGHT SEEN WILL BE BLUE A) IMPOSSIBLE. B) POSSIBLE. C) CAN HAPPEN BUT NOT CERTAIN. D) NONE. Show Answer Correct Answer: A) IMPOSSIBLE. 33. A DIE IS THROWN IN WHAT IS THE PROBABILITY OF GETTING AN ODD PRIME NUMBER A) 1/6. B) 2/5. C) 1/5. D) 1/3. Show Answer Correct Answer: D) 1/3. 34. To find the mean of a set of numbers, add up all the items and divide by ..... A) The maximum. B) The minimum. C) The number of items. D) 2. Show Answer Correct Answer: C) The number of items. 35. Find the median of the following set of data:2 3 6 8 9 11 17 A) 9.5. B) 8.5. C) 9. D) 8. Show Answer Correct Answer: D) 8. 36. You have to put the values in order from ..... in order to find the median A) Small to Large. B) Large to small. C) No need to arrange. D) None of the above. Show Answer Correct Answer: A) Small to Large. 37. A bar graph represents the categorical data using ..... bars. A) Spherical. B) Rectangular. C) Conical. D) Cylindrical. Show Answer Correct Answer: B) Rectangular. 38. A cricketer scores the following runs in eight innings:58, 76, 40, 35, 46, 45, 0, 100 What will be their mean score? A) 200. B) 100. C) 400. D) 50. Show Answer Correct Answer: D) 50. 39. FIND MEAN FIRST FOUR EVEN NUMBERS A) 10. B) 12. C) 5. D) NONE. Show Answer Correct Answer: C) 5. 40. THE DIFFERENCE BETWEEN THE HIGHEST AND THE LOWEST OBSERVATIONS IN A DATA IS ITS A) WIDTH. B) MODE. C) RANGE. D) FREQUENCY. Show Answer Correct Answer: C) RANGE. 41. The mean of three numbers is 40. All the three numbers are different natural numbers. If the lowest number is 19, where the second number is greater than the lowest number then what could be the highest possible value of the third number? A) 100. B) 40. C) 71. D) 81. Show Answer Correct Answer: D) 81. 42. Find the median of first five odd numbers. A) 4. B) 5. C) 2. D) 6. Show Answer Correct Answer: B) 5. 43. When a die is thrown, the probability of getting a number less than 7, is A) 1/6. B) 3/6. C) 6/6. D) 5/6. Show Answer Correct Answer: C) 6/6. 44. Find the range of 8.3, 9.7, 8.1, 10.7, 10.09. 8.03 A) 2.6. B) 2.67. C) 2.4. D) 2.06. Show Answer Correct Answer: B) 2.67. 45. A die is thrown. What is the probability of getting even prime numbers A) 1/6. B) 1/3. C) 1/8. D) 1/5. Show Answer Correct Answer: A) 1/6. 46. Using Graph 3-Which fraction of the pupils like Art the most? A) $\frac{5}{15}$. B) $\frac{4}{20}$. C) $\frac{10}{4}$. D) $\frac{5}{20}$. Show Answer Correct Answer: D) $\frac{5}{20}$. 47. Select the definition of MEAN? A) The average of a set of given data. B) The number that occurs the most. C) The highest number. D) The middle number. Show Answer Correct Answer: A) The average of a set of given data. 48. In a box of 72 marbles, one-third of them are black in colour. Find out the frequency of the rest white coloured marbles. A) 48. B) 46. C) 36. D) 24. Show Answer Correct Answer: A) 48. 49. The median of observations 11, 12, 14, 18, x + 2, 20, 22, 25, 61 arranged in ascending order is 21. The value of x is A) 11. B) 15. C) 21. D) 19. Show Answer Correct Answer: D) 19. 50. In a data, 10 numbers are arranged in increasing order. If the 7th entry is increased by 4, by how much the median increased. A) 5. B) 6. C) 4. D) 0. Show Answer Correct Answer: D) 0. 51. Organizing data systematically is called ..... A) Formatting Data. B) Data Handling. C) Sequencing Data. D) None of the above. Show Answer Correct Answer: B) Data Handling. 52. Find the mean of the following set of data:2 5 4 9 3 7 6 8 A) 5, 5. B) 6. C) 5. D) 9. Show Answer Correct Answer: A) 5, 5. 53. The difference between the highest and the lowest value of the observations in a data is called: A) Range. B) Mean. C) Total frequency. D) Sum of observation. Show Answer Correct Answer: A) Range. 54. The size of each 'slice' of pie is measured by its ..... A) Accuracy. B) Angle. C) Arc. D) None of the above. Show Answer Correct Answer: C) Arc. 55. What will be the result of the expression 'a' and '' A) ''. B) 1. C) 'a'. D) 0. Show Answer Correct Answer: A) ''. 56. Which graph has an x-axis and a y-axis? A) Tally Chart. B) Pictograph. C) Bar Graph. D) Pie Chart. Show Answer Correct Answer: C) Bar Graph. 57. To install matplotlib, the following function will be typed in your command prompt. What does "-U" represents?Python-m pip install-U pip A) Upgrading pip to the latest version. B) Upgrading matplotlib to the latest version. C) Removing pip. D) Downloading pip to the latest version. Show Answer Correct Answer: A) Upgrading pip to the latest version. 58. When a die is thrown. What is the probability of getting a prime number greater than 5? A) $1$. B) $\frac{1}{6}$. C) $0$. D) Can't be calculated. Show Answer Correct Answer: C) $0$. 59. MODE IS ALWAYS ONE OF THE NUMBERS IN A DATA A) YES. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: B) NO. 60. The probability of an event which is impossible to happen is A) 1. B) 0. C) 0.5. D) None of these. Show Answer Correct Answer: B) 0. ← PreviousNext →Related QuizzesMathematics QuizzesClass 7 QuizzesClass 7 Mathematics Chapter 3 Data Handling Quiz 1Class 7 Mathematics Chapter 3 Data Handling Quiz 2Class 7 Mathematics Chapter 3 Data Handling Quiz 4Class 7 Mathematics Chapter 3 Data Handling Quiz 5Class 7 Mathematics Chapter 3 Data Handling Quiz 6Class 7 Mathematics Chapter 3 Data Handling Quiz 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books