Discussion
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- Question
If the curved surface area of a right circular cone is 10010 sq cm and its slant height is 91 cm, find its total surface area.
Options- A. 27720 sq cm
- B. 4620 sq cm
- C. 6930 sq cm
- D. 13860 sq cm
- Correct Answer
- 13860 sq cm
- 1. Find the volume (in cm3) of a cube of side 7.5 cm.
Options- A. 421.875
- B. 77.145
- C. 39.245
- D. 24.435 Discuss
- 2. The triangle in which the orthocenter, circumcentre, Incenter and the centroid coincide each other at a point is known as _____________.
Options- A. isosceles triangle
- B. equilateral triangle
- C. right angled triangle
- D. obtuse angled triangle Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. A cone of radius 3.5 cm and height 12 cm is completely filled with water. This water is emptied into an empty cylindrical vessel of radius 7 cm. What will be the height of water in this vessel?
Options- A. 2 cm
- B. 0.33 cm
- C. 0.5 cm
- D. 1 cm Discuss
- 7. What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take ? = 22/7)
Options- A. 1879.43
- B. 3758.86
- C. 939.715
- D. 2819.145 Discuss
- 8. Three angles of a quadrilateral are 60°,90°and 100°. Then the fourth angle of the quadrilateral is
Options- A. 95°
- B. 100°
- C. 110°
- D. 115° Discuss
- 9. In ?ABC two medians BE and CF intersects at the point O and P,Q are the midpoints of BO and CO respectively. If the length of PQ=3cm, then the length of FE will be
Options- A. 3 cm
- B. 6 cm
- C. 9 cm
- D. 12 cm Discuss
- 10. In a triangle PQR, S and T are the points on PQ and PR respectively, such that ST II QR and PS/SQ=3/5,PR =6cm, then PT is
Options- A. 2 cm
- B. 2.25 cm
- C. 3.5 cm
- D. 4 cm Discuss
Volume and Surface Area problems
Search Results
Correct Answer: 421.875
Correct Answer: equilateral triangle
Correct Answer: (0, -2)
Correct Answer: 1 : 4
Correct Answer: 8
Correct Answer: 1 cm
Correct Answer: 1879.43
Correct Answer: 110°
Correct Answer: 3 cm
Correct Answer: 2.25 cm
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