Discussion
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- Question
Calculate the length of the tangent (in cm) which is drawn from a point at a distance of 13 cm from the centre and the largest chord of that circle is 10 cm.
Options- A. 10
- B. 12
- C. 15
- D. 16
- Correct Answer
- 12
- 1. Find the volume (in cm3) of a sphere of diameter 7 cm.
Options- A. 140.25
- B. 179.67
- C. 337.16
- D. 213.74 Discuss
- 2. If the diameter of a circle is 35 cm, then what will be its circumference (in cm)?
Options- A. 110
- B. 220
- C. 21
- D. 42 Discuss
- 3. What is the circumference (in cm) of a circle whose area is 616 sq cm?
Options- A. 44
- B. 22
- C. 66
- D. 88 Discuss
- 4. In ?DEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 1:3 and HF is 7.2 cm, find length of DF?
Options- A. 2.4 cm
- B. 4.8 cm
- C. 3.6 cm
- D. 9.6 cm Discuss
- 5. The radius of a hemisphere is 7 cm, find its volume?
Options- A. 718.67 cubic cm
- B. 1437.34 cubic cm
- C. 239.56 cubic cm
- D. 359.34 cubic cm Discuss
- 6. The area and the length of one of the diagonals of a rhombus is 54 cm2 and 9 cm respectively. Find the length of its other diagonal (in cm).
Options- A. 6
- B. 24
- C. 12
- D. 18 Discuss
- 7. Find the total surface area (in cm2 ) of a hemisphere of diameter 42 cm.
Options- A. 4158
- B. 5782
- C. 6321
- D. 7782 Discuss
- 8. In ?XYZ measure of angle Y is 90 deg. If sinX = 4/5, and XY = 6cm, then what is the length (in cm) of side YZ?
Options- A. 10
- B. 5
- C. 8
- D. 4 Discuss
- 9. In what ratio does the point T(x,0) divide the segment joining the points S(-4,-1) and U(1,4)?
Options- A. 1 : 4
- B. 4 : 1
- C. 1 : 2
- D. 2 : 1 Discuss
- 10. At what point does the line 2x - 3y = 6 cuts the Y axis?
Options- A. (0, 2)
- B. (-2, 0)
- C. (2, 0)
- D. (0, -2) Discuss
Volume and Surface Area problems
Search Results
Correct Answer: 179.67
Correct Answer: 110
Correct Answer: 88
Correct Answer: 9.6 cm
Correct Answer: 718.67 cubic cm
Correct Answer: 12
Correct Answer: 4158
Correct Answer: 8
Correct Answer: 1 : 4
Correct Answer: (0, -2)
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