Discussion
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- Question
The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area (in sq.cm) of the triangle?
Options- A. 50?5
- B. 100
- C. 75?7
- D. 175
- Correct Answer
- 75?7
- 1. ? DEF is right angled at E. If m?F = 45°, then what is the value of 2 Sin F x Cot F?
Options- A. ?2
- B. 2
- C. 1/?2
- D. 1/2 Discuss
- 2. The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?
Options- A. (0 , 13)
- B. (0, 5)
- C. (0, -5)
- D. (0 , -13) Discuss
- 3. What is the reflection of the point (-1 , 3) in the line x = -4?
Options- A. (-7 ,-3)
- B. (-7 ,3)
- C. (7 ,-3)
- D. (7 ,3) Discuss
- 4. What is the reflection of the point (-2, 5) in the line x = -1?
Options- A. (-2 , -7)
- B. (0 , 5)
- C. (2 , 5)
- D. (-2 , 7) Discuss
- 5. Point A (2, 1) divides segment BC in the ratio 2:3. Co-ordinates of B are (1, -3) and C are (4, y). What is the value of y?
Options- A. 8
- B. -7
- C. -8
- D. 7 Discuss
- 6. PQ is the chord of a circle whose centre is O. ROS is a line segment originating from a point R on the circle that intersect PQ produced at point S such that QS = OR. If ?QSR = 30°, then what is the value (in degrees)of POR?
Options- A. 30
- B. 45
- C. 60
- D. 90 Discuss
- 7. Slope of the line AB is 4/3. Co-ordinates of points A and B are (x , -5) and (2 , -3) respectively. What is the value of x?
Options- A. 1/2
- B. -1/4
- C. 4
- D. -4 Discuss
- 8. If the sum of radius and height of a solid cylinder is 20 cm and its total surface area is 880 cm then its volume is
Options- A. 1760 cm3
- B. 8800 cm3
- C. 2002 cm3
- D. 4804 cm3 Discuss
- 9. A solid sphere and a solid hemisphere have the same total surface area. The ratio of their volumes is (Take, ?=22/7)
Options- A. 3?3 : 4
- B. 4 : 3?3
- C. 3 : 4?3
- D. 1 : 12?3 Discuss
- 10. The base of a right prism is a trapezium whose the length of parallel sides are 25 cm and 11 cm and the perpendicular distance between the parallell sides in 16 cm. If the height of the prism is 10 cm, then the volume of the prism is
Options- A. 1440 cu.cm
- B. 1540 cu.cm
- C. 2880 cu.cm
- D. 960 cu.cm Discuss
Volume and Surface Area problems
Search Results
Correct Answer: ?2
Correct Answer: (0 , -13)
Correct Answer: (-7 ,3)
Correct Answer: (0 , 5)
Correct Answer: 7
Correct Answer: 90
Correct Answer: 1/2
Correct Answer: 2002 cm3
Correct Answer: 3?3 : 4
Correct Answer: 2880 cu.cm
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