Discussion
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- Question
O is the center of the circle and two tangents are drawn from a point P to this circle at points A and B. If ?AOP = 50°, then what is the value (in degrees) of ?APB?
Options- A. 60
- B. 80
- C. 90
- D. 100
- Correct Answer
- 80
- 1. The side BC of ?ABC is produced to D. If ?ACD = 114° and ?ABC= (1/2)?BAC, then what is the value (in degrees) of ?BAC?
Options- A. 36
- B. 48
- C. 76
- D. 84 Discuss
- 2. Diameter of wheel of a cycle is 21 cm. The cyclist takes 45 minutes to reach a destination at a speed of 16.5 km/hr. How many revolutions will the wheel make during the journey?
Options- A. 12325
- B. 18750
- C. 21000
- D. 24350 Discuss
- 3. A solid cone of height 36 cm and radius of base 9 cm is melted to form a solid cylinder of radius 9 cm and height 9 cm. What percent of material is wasted this process?
Options- A. 25
- B. 5
- C. 0
- D. 10 Discuss
- 4. In triangle ABC, ?ABC = 90°. BP is drawn perpendicular to AC. If ?BAP = 30°, then what is the value (in degrees) of ?PBC?
Options- A. 30
- B. 36
- C. 45
- D. 60 Discuss
- 5. The lengths of two parallel sides of a trapezium are 21 cm and 9 cm. If its height is 10 cm, then what is the area (in cm2) of the trapezium?
Options- A. 35
- B. 75
- C. 150
- D. 225 Discuss
- 6. In ?PQR, PQ = PR = 18 cm, AB and AC are parallel to lines PR and PQ respectively. If A is the mid-point of QR, then what is the perimeter (in cm) of quadrilateral ABPC?
Options- A. 18
- B. 28
- C. 32
- D. 36 Discuss
- 7. In ?PQR, PS and PT are bisectors of ?QPR and ?QPS respectively. If ?QPT = 30°, PT = 9 cm and TR = 15 cm, then what is the area (in cm2) of ?PTR
Options- A. 36
- B. 54
- C. 72
- D. 216 Discuss
- 8. How many spherical balls of radius 1 cm can be made by melting a hemisphere of radius 6 cm?
Options- A. 112
- B. 108
- C. 116
- D. 104 Discuss
- 9. The point of intersection of all the angle bisector of a triangle is ______ of the triangle.
Options- A. Incenter
- B. Circumcenter
- C. Centroid
- D. Orthocenter Discuss
- 10. ABC is an equilateral triangle and P is the orthocenter of the triangle, then what is the value (in degrees) of ?BPC?
Options- A. 90
- B. 120
- C. 135
- D. 145 Discuss
Volume and Surface Area problems
Search Results
Correct Answer: 76
Correct Answer: 18750
Correct Answer: 25
Correct Answer: 30
Correct Answer: 150
Correct Answer: 36
Correct Answer: 54
Correct Answer: 108
Correct Answer: Incenter
Correct Answer: 120
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