Unit 3 Math in AI Class 9 Question Answer
Unit 3 Math in AI Class 9 Question Answer
Revision Time
Part A
Q1. Match the following:
| COLUMN-A | COLUMN-B |
| I) Probability | a) exploring data |
| ii) Calculus | b) finding out unknown or missing values |
| iii) Statistics | c) predicting different events |
| iv) Linear Algebra | d) training and improving AI model. |
Q2. If you are to throw an arrow to this pie chart, in which color is the arrow more likely to fall?
a) Red
b) Blue
c) Yellow
d) Green
Q3. If you select a balloon without looking, how likely is it that you will pick a blue one?
a) Probable
b) Certain
c) Unlikely
d) Impossible
Q4. With one throw of a 6-sided die, what’s the probability of getting an even number?
a) 1/5
b) 2/5
c) 5/6
d) 1/2
Q5. Which of the following is an equation?
a) 2x + 5
b) x + 2 = 4x
c) x^2 + 2x
d) 5 + 5x + 5x^2
Q6. What is the value of x? 10x-8=6x
a) 8
b) 4
c) 2
d) 6
Q7. 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.
Q8. What is the probability of getting head when you toss a coin once?
a) 0.75
b) 1
c) 0
d) 0.5
Q9. Getting seven in die throwing is a possible event. (True/False).
Q10. The median of the data: 155, 160, 145, 149, 150, 147, 152, 144, 148 is
a) 149
b)150
c)147
d)144
Answer the following question:
Q11. Explain the relationship between Mathematics and Artificial Intelligence, providing justification for their interconnection.
Q12. Aman is confused, how probability theory is utilized in artificial intelligence, help Aman by providing two examples to illustrate its importance.
Q13. Define Certain events and likely events with examples.
Q14. Write any two examples of Impossible and equal probability events.
Q15. Radhika collected the data of the age distribution of cases admitted during a day in a hospital
| Age(in years) | 10 | 12 | 14 | 15 | 16 |
| Cases Admitted (in a day) | 5 | 7 | 9 | 22 | 11 |
Find the average number of cases admitted in hospital. Also, draw a line graph to represent the data graphically.
Q16. Identify the likely, unlikely, impossible and equal probability events from the following
a. Tossing a coin
b. Rolling an 8 on a standard die
c. Throwing ten 5’s in a row
d. Drawing a card of any suite
Important Links
Class IX A.I. Book
Class IX AI Curriculum
Class X AI Book
Class X AI Curriculum 2025-26
Python Manual
Unit 1 – A.I. Reflection Project Cycle and Ethics Class 9 Notes Important Points
Unit 1 – A.I. Reflection Project Cycle and Ethics Class 9 MCQ
Unit 1 – A.I. Reflection Project Cycle and Ethics Class 9 Question Answers
Unit 2 – Data Literacy NOTES Important Points
Unit 2 – Data Literacy MCQ
Unit 2 – Data Literacy Question Answers
Unit 3 Math in AI Class 9 Question Answer
Unit 3 Math in AI Class 9 Question Answer
Unit 3 Math in AI Class 9 Question Answer
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