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## MCQ Questions for Class 9 Mathematics with Answers

## Q1. If the height of a parallelogram having 500 cm2 as the area is 20 cm, then its base is of length

(i) 25 cm

(ii) 15 cm

(iii) 20 cm

(iv) 50 cm

(i) 25 cm

### Q2. The area of triangle with given two sides 18cm and 10cm respectively and perimeter equal to 42 cm is:

(i) 20√11 cm²

(ii) 19√11 cm²

(iii) 22√11 cm²

(iv) 21√11 cm²

(iv) 21√11 cm²

## Q3. The perimeter of an equilateral triangle is 60 m. The area is

(i) 10√3 m²

(ii) 15√3 m²

(iii) 20√3 m²

(iv) 100√3 m²

(iv) 100√3 m²

### Q4. The area of a triangle with base 8 cm and height 10 cm is

(i) 20 cm²

(ii) 18 cm²

(iii) 80 cm²

(iv) 40 cm²

(iv) 40 cm²

## Q5. An isosceles right triangle has area 8 cm2. The length of its hypotenuse is :

(i) √16 cm

(ii) √48 cm

(iii) √32 cm

(iv) √24 cm

(iii) √32 cm

## Q6. Ength of perpendicular drawn on smallest side of scalene triangle is

(i) Smallest

(ii) Largest

(iii) No relation

(iv) None

(iii) No relation

## Q7. The area of an equilateral triangle having side length equal to √3/4cm is:

(i) 2/27 cm²

(ii) 2/15 cm²

(iii) 3/16 cm²

(iv) 3/14 cm²

(iii) 3/16 cm²

### Q8. The area of an equilateral triangle with side 2√3 cm is

(i) 5.196 cm²

(ii) 0.866 cm²

(iii) 3.496 cm²

(iv) 1.732 cm²

(i) 5.196 cm²

#### Q9. The area of a right angled triangle if the radius of its circumcircle is 3 cm and altitude drawn to the hypotenuse is 2 cm.

(i) 6 cm²

(ii) 3 cm²

(iii) 4 cm²

(iv) 8 cm²

(i) 6 cm²

## Q10. The area of a right triangle of height 15 m and base 20 m is

(i) 160 m²

(ii) 150 m²

(iii) 210 m²

(iv) 216 m²

(ii) 150 m²

### Q11. The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 70 paise per cm2 is

(i) ₹17

(ii) ₹16.80

(iii) ₹7

(iv) ₹16

(ii) ₹16.80

## Q12. If the area of an equilateral triangle is 16√3 cm², then the perimeter of the triangle is

(i) 48 cm

(ii) 24 cm

(iii) 12 cm

(iv) 36 cm

(ii) 24 cm

### Q13. A square sheet whose perimeter is 32 cm is painted at the rate of Rs. 5 per m2. The cost of painting is:

(i) ₹320

(ii) ₹350

(iii) ₹340

(iv) ₹160

(i) ₹320

## Q14. If side of a scalene △ is doubled then area would be increased by

(i) 100 %

(ii) 50 %

(iii) 25 %

(iv) None of these

(i) 100 %

## Q15. Each side of an equilateral triangle measures 10 cm. Then the area of the triangle is

(i) 43.3 cm²

(ii) 43.1 cm²

(iii) 43.4 cm²

(iv) 43.2 cm²

(i) 43.3 cm²

### Q16. The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 9 paise per cm² is

(i) Rs 2.00

(ii) Rs 2.16

(iii) Rs 2.48

(iv) Rs 3.00

(ii) Rs 2.16

## Q17. If the height of a parallelogram having 500 cm2 as the area is 20 cm, then its base is of length

(i) 25 cm

(ii) 15 cm

(iii) 20 cm

(iv) 50 cm

(i) 25 cm

## Q18. Semiperimeter of scalene triangle of side k, 2k and 3k is

(i) k

(ii) 3k

(iii) 4k

(iv) 2k

(ii) 3k

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### MCQ Questions for Class 9 Mathematicss with Answers

**Lesson 1. Number Systems Class 9 MCQ****Lesson 2. Polynomials Class 9 MCQ****Lesson 3. Coordinate Geometry Class 9 MCQ****Lesson 4. Linear Equations for Two Variables Class 9 MCQ****Lesson 5. Introduction to Euclid’s Geometry Class 9 MCQ****Lesson 6. Lines and Angles Class 9 MCQ****Lesson 7. Triangles Class 9 MCQ****Lesson 8. Quadrilaterals Class 9 MCQ****Lesson 9. Areas of Parallelograms and Triangles Class 9 MCQ****Lesson 10. Circles Class 9 MCQ****Lesson 11. Constructions Class 9 MCQ****Lesson 12. Heron’s Formula Class 9 MCQ****Lesson 13. Surface Areas and Volumes Class 9 MCQ****Lesson 14. Statistics Class 9 MCQ****Lesson 15. Probability Class 9 MCQ**