Discussion
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- Question
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
- Correct Answer
- 30
- 1. 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
- 2. If an equilateral triangle has side 12 cm, then what is the difference (in cm) between the circumradius and inradius?
Options- A. 2?2
- B. 3?2
- C. 2?3
- D. 3?3 Discuss
- 3. The length of diagonal BD of a parallelogram ABCD is 36 cm. P and Q are the centroids of triangle ABC and triangle ADC respectively. What is the length (in cm) of PQ?
Options- A. 6
- B. 9
- C. 12
- D. 18 Discuss
- 4. Due to increase of k% in the side, the area of a square increases by 69%. What is the value of k?
Options- A. 30
- B. 33
- C. 34.5
- D. 35 Discuss
- 5. The tangents drawn at points A and B of a circle with centre O, meet at P. If ?AOB = 120° and AP = 6 cm, then what is the area of triangle (in cm2) APB?
Options- A. 6?3
- B. 8?3
- C. 9
- D. 9?3 Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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 Discuss
- 10. 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
Volume and Surface Area problems
Search Results
Correct Answer: 150
Correct Answer: 2?3
Correct Answer: 12
Correct Answer: 30
Correct Answer: 9?3
Correct Answer: 25
Correct Answer: 18750
Correct Answer: 76
Correct Answer: 80
Correct Answer: 36
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