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- Question
The length of diagonal of a square is 9?2 cm. The square is reshaped to form a triangle. What is the area (in sq.cm) of largest in circle that can be formed in that triangle?
Options- A. 6?
- B. 9?
- C. 12?
- D. 15?
- Correct Answer
- 12?
- 1. In triangle ABC, AD, BE and CF are the medians intersecting at point G and area of triangle ABC is 156 sq.cm. What is the area (in sq.cm) of triangle FGE?
Options- A. 13
- B. 26
- C. 39
- D. 52 Discuss
- 2. The ratio of the volume of two cylinders is 7 : 3 and the ratio of their heights is 7 : 9. If the area of the base of the second cylinder is 154 sq. cm, then what will be the radius (in cm) of the first cylinder?
Options- A. 6?2
- B. 6?3
- C. 7?2
- D. 7?3 Discuss
- 3. Circum center of ?ABC is O. If ?BAC = 75 and ?BCA = 80 degrees, then what is the value of ?OAC(in deg)?
Options- A. 45
- B. 65
- C. 90
- D. 95 Discuss
- 4. In ?ABC, AD is the median and AD = (1/2)BC. If ?ACD = 40°, then what is the value (in degrees) of ?DAB?
Options- A. 30
- B. 40
- C. 50
- D. 60 Discuss
- 5. If the diameter of a hemisphere is 21 cm, then what is the volume (in cub.cm) of hemisphere?
Options- A. 2810
- B. 1250.5
- C. 1725.25
- D. 2425.5 Discuss
- 6. If the radius of the cylinder is increased by 25%, then by how much percent the height must be reduced, so that the volume of the cylinder remains same?
Options- A. 36
- B. 56
- C. 64
- D. 46 Discuss
- 7. In ?ABC, ?BAC = 90° and AD is drawn perpendicular to BC. If BD = 7 cm and CD = 28 cm, then what is the length (in cm) of AD?
Options- A. 3.5
- B. 7
- C. 10.5
- D. 14 Discuss
- 8. A chord of length 60 cm is at a distance of 16 cm from the centre of a circle. What is the radius (in cm) of the circle?
Options- A. 17
- B. 34
- C. 51
- D. 68 Discuss
- 9. T is a point on the common tangents at P of two circles and if TA and TB are resectively the other tangents at A and B to the two circles drawn from the point T then
Options- A. TA = 2 TB
- B. TA = TB
- C. TA = 1/2 TB
- D. 3TA = TB Discuss
- 10. The measure of the four successive angles of a quadrilateral are in the ratio 7 : 11 : 7 : 11. The quadrilateral is a ______.
Options- A. trapezium
- B. rectangle
- C. parallelogram
- D. square Discuss
Volume and Surface Area problems
Search Results
Correct Answer: 13
Correct Answer: 7?3
Correct Answer: 65
Correct Answer: 50
Correct Answer: 2425.5
Correct Answer: 36
Correct Answer: 14
Correct Answer: 34
Correct Answer: TA = TB
Correct Answer: parallelogram
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