 # AP Board Class 9 Maths Important Questions

The Andhra Pradesh Board of Secondary Education is an autonomous department and is responsible for framing the curriculum and specifying the matter for Class 9 students. Class 9 Maths study material or syllabus has been created with one goal, which is to help students easily learn Mathematical concepts and develop higher logical reasoning as well as Maths problem-solving skills. In Class 9 Maths subject, students are introduced to various topics that will form a base for concepts in Class 10 also.

AP Board Class 9 Maths important questions are designed by the subject experts as per the latest curriculum or syllabus of Class 9 Maths. Important questions of Class 9 Maths provide, students a brief knowledge about the question pattern, important topics, marking scheme, etc. By practising AP board Class 9 Maths important question, students can evaluate their own performance and it also helps them to gain self-confidence. All the important concepts and topics of Class 9 Maths are covered, while framing the important questions to help the students to enhance their conceptual knowledge.

1. The radius of the base of a cone is 7 cm, the slant height is 10 cm. Find its lateral surface area.

2. Write a step-by-step procedure for simple interest for 5 years in which Principle = Rs. 5,000 at Rate of 10% per year. Draw the flow chart also.

3. If A = {1,2,3}, B = {3,4,5}, C = {4,6}, show that A X (B ∪ C) = (A X B) ∪ (A X C).

4. A top (toy) is of the shape of a cone over a hemisphere. The radius of the hemisphere is 3.5 cm. The total height of the top is 15.5 cm. Find the total surface area of the top.

5. Draw Venn diagram of A – B.

6. What are the major components of a computer?

7. The product of a number and itself is 3969. Find the number.

8. What is the slope of the line 2x + 4y + 3. = 0?

9. Out of 120 members of a class, 50 play cricket, 60 play football, 48 play hockey, 18 play cricket and hockey, 20 play cricket and football, 24 play hockey and football and 10 play all the three games. Using Venn diagrams or otherwise answer the following.

10. Solve x(x + 1) (x + 2) (x + 3) = 120.

11. Are the following statements True? Give reasons for your answers with an example.
i. Every rational number is an integer.
ii. Every integer is a rational number
iii. Zero is a rational number

12. A number is 27 more than the number obtained by reversing its digits. If its unit’s and ten’s digits are x and y respectively, write the linear equation representing the above statement.

13.  (a) Write the probability of getting each number top face when a die was rolled in the following table. (b) Find the sum of the probabilities of all outcomes.