Discussion
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- Question
What is the diameter (in cm) of a sphere of surface area 154 sq cm?
Options- A. 3.5
- B. 14
- C. 10.5
- D. 7
- Correct Answer
- 7
- 1. ?ABC is right angled at B. BD is its altitude. AD = 4 cm and DC = 12 cm. What is the value of AB (in cm)?
Options- A. 9
- B. 10
- C. 6
- D. 8 Discuss
- 2. At least one diagonal bisects the other in a _____.
Options- A. Trapezium
- B. Isosceles trapezium
- C. Kite
- D. Cyclic quadrilateral Discuss
- 3. If curved surface area of a cylinder is 1386 sq cm and height is 21 cm, what will be its radius? (Take ? = 22/7)
Options- A. 21 cms
- B. 5.25 cms
- C. 10.5 cms
- D. 15.75 cms Discuss
- 4. In a triangle the length of the side opposite the angle which measures 45° is 8 cm, what is the length of the side opposite to the angle which measures 90°?
Options- A. 8?2 cm
- B. 4?2 cm
- C. 8?3 cm
- D. 4?3 cm Discuss
- 5. What will be the sum of the measures all the interior angles of a polygon having 14 sides?
Options- A. 2520°
- B. 2160°
- C. 2880°
- D. 3240° Discuss
- 6. What is the area (in sq cm) of a regular hexagon of side 14 cm?
Options- A. 147?3
- B. 441?3
- C. 196?3
- D. 294?3 Discuss
- 7. What is the slope of the line parallel to the line passing through the points (5, -1) and (4, -4)?
Options- A. -3
- B. -1/3
- C. 3
- D. 1/3 Discuss
- 8. ?XYZ is similar to ?PQR. If ratio of Perimeter of ?XYZ and Perimeter of ?PQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?
Options- A. 4.8
- B. 3.2
- C. 6.4
- D. 8.6 Discuss
- 9. If the measure of the interior angle of a regular polygon is 90 deg greater than the measure of its exterior angle, then how many sides does it have ?
Options- A. 8
- B. 9
- C. 10
- D. 12 Discuss
- 10. Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.
Options- A. 2235.5
- B. 2425.5
- C. 2040
- D. 1860 Discuss
Volume and Surface Area problems
Search Results
Correct Answer: 8
Correct Answer: Kite
Correct Answer: 10.5 cms
Correct Answer: 8?2 cm
Correct Answer: 2160°
Correct Answer: 294?3
Correct Answer: 3
Correct Answer: 6.4
Correct Answer: 8
Correct Answer: 2425.5
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