Math for AI MCQs – Class 9 AI (417) | Exam-Focused Practice
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Q1. A student identifies that the sequence 5, 10, 15, 20, 25 increases by a constant amount. Which mathematical ability is the student using?
a) Data cleaning
b) Pattern recognition
c) Weather forecasting
d) Probability estimation
Q2. Which statement best explains the relationship between Mathematics and AI?
a) Mathematics is used only to store data in AI.
b) AI works independently of mathematical concepts.
c) Mathematics helps AI study and recognize patterns to make decisions.
d) Mathematics is needed only after an AI model is completed.
Q3. An AI system examines images to distinguish dogs from muffins. Which capability does this illustrate?
a) Recognizing patterns in image data
b) Calculating the total population
c) Cleaning numerical data only
d) Determining the average temperature
Q4. A business records profits of ₹1,000, ₹1,500, ₹2,000 and ₹2,500 over four years. If the same pattern continues, what profit can be predicted for Year 5?
a) ₹2,750
b) ₹3,000
c) ₹3,500
d) ₹4,000
Q5. Math is described as the study of
a) machines
b) only data
c) patterns
d) languages
Q6. Patterns exist in
a) numbers only
b) images only
c) numbers, images and language
d) none of these
Q7. Which branch of Math is used for training and improving an AI model?
a) Statistics
b) Probability
c) Linear Algebra
d) Calculus
Q8. Which branch of Math is used for exploring data?
a) Calculus
b) Statistics
c) Probability
d) Linear Algebra
Q9. Which branch of Math is used for finding out unknown or missing values?
a) Linear Algebra
b) Calculus
c) Statistics
d) Probability
Q10. Which branch of Math is used for predicting different events?
a) Calculus
b) Statistics
c) Probability
d) Linear Algebra
Q11. Consider the data: 11, 22, 33, 44, 55. Which value is the middle value?
a) 22
b) 33
c) 44
d) 55
Q12. A student compares two lines to determine which is more slanted. Which mathematical concept is associated with this type of problem in the handbook?
a) Statistics
b) Probability
c) Calculus
d) Linear Algebra
Q13. Which of the following is an application of Statistics in AI?
a) Exploring data to identify its middle value
b) Predicting the outcome of a coin toss exclusively
c) Identifying a missing value by adding plants
d) Determining whether an event is impossible
Q14. In the process of statistics, the first step is
a) drawing conclusions
b) analysis of data
c) collecting data from various sources
d) cleaning the data
Q15. Which of the following can be found out using statistics?
a) The opinions of voters
b) The boiling point of water
c) The number of days in a week
d) The colour of the sky
Q16. In disaster management, authorities use statistics to
a) stop the disaster
b) alert citizens living in places that might be affected by a natural disaster
c) change the weather
d) avoid collecting data
Q17. A city wants to estimate the average weight of its residents using collected information. Which concept is most directly relevant?
a) Statistics
b) Calculus
c) Probability
d) Linear Algebra
Q18. A government analyses areas where COVID-19 cases are increasing to determine where vaccination efforts need improvement. Which application is illustrated?
a) Disease prediction and public health analysis
b) Linear Algebra in plant counting
c) Calculus in line comparison
d) Probability in sports batting averages
Q19. How do computers use Statistics to forecast weather, according to the handbook?
a) By ignoring previous weather conditions
b) By assuming that every day has identical weather
c) By examining only the current temperature
d) By comparing weather conditions with information from past seasons and conditions
Q20. What is Probability used to describe?
a) How likely something is to happen
b) How data must be deleted
c) How a line becomes more slanted
d) How images are stored
Q21. A fair coin is tossed once. What is the probability of obtaining heads?
a) 0
b) 1
c) 1/2
d) 2
Q22. The probability of an event is
a) total outcomes / favourable outcomes
b) number of favourable outcomes / total number of possible outcomes
c) favourable outcomes x total outcomes
d) favourable outcomes – total outcomes
Q23. An event has a probability of 1. How should it be classified?
a) Impossible
b) Certain
c) Unlikely
d) Equally probable with an impossible event
Q24. An event has a probability of 0. What does this indicate?
a) The event is certain
b) The event is more likely than every other event
c) The event is impossible
d) The event has equal probability with all events
Q25. A bag contains only blue balls. What is the probability of randomly selecting a red ball?
a) 0
b) 1/2
c) 1
d) 100
Q26. A weather forecaster says that there is a 70% chance of rain between 4 PM and 6 PM. What does this statement communicate?
a) Rain is certain throughout the day.
b) Rain has a medium-to-high likelihood during the specified period.
c) Rain is impossible during those hours.
d) Rain must occur for exactly 70 minutes.
Q27. A bag contains seven stars of one type and three stars of another type. Without looking, a student picks one star. Which type is more likely to be selected?
a) The type represented by three stars
b) Both types are equally likely
c) Neither type can be selected
d) The type represented by seven stars
Q28. The median of the data 155, 160, 145, 149, 150, 147, 152, 144, 148 is
a) 149
b) 150
c) 147
d) 144
Q29. A batter scored 45 runs out of 100 from boundaries in the previous match. Based on the handbook’s illustration, what percentage of runs might be estimated to come from boundaries in the next match?
a) 25%
b) 45%
c) 55%
d) 100%
Q30. A weather forecaster estimates the likelihood of rain, snow or clouds in a particular area on a given day. Which mathematical concept is being applied?
a) Probability
b) Linear Algebra
c) Calculus
d) Data cleaning only
Q31. A student wants to represent the relationship between the listed ages and the number of hospital admissions graphically, as required in the handbook’s revision activity. Which graph is specified?
a) Pie chart
b) Histogram
c) Scatter plot
d) Line graph
Q32. Which two are examples of descriptive statistics?
a) Median and correlation
b) Mean and standard deviation
c) Mode and regression analysis
d) Variance and hypothesis testing
