Discussion
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- Question
The length of the diagonal and the breadth of a rectangle are 17 cm and 8 cm respectively. Find its perimeter (in cm).
Options- A. 92
- B. 46
- C. 42
- D. 84
- Correct Answer
- 46
- 1. The largest chord of the circle has a length of 20.4 cm. The radius of the circle will be_____.
Options- A. 10.2 cm
- B. greater than 10.2 cm
- C. greater than and equal to 10.2 cm
- D. less than 10.2 cm Discuss
- 2. AB is a chord of the circle and its center is ?O?. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2?11) cm, find the radius (in cm) of the circle.
Options- A. 10
- B. 12
- C. 13
- D. 15 Discuss
- 3. What is the area (in square units) of the figure enclosed by the graphs of the lines x = -4, x =2, y = -2 and y = 3?
Options- A. 12
- B. 24
- C. 15
- D. 60 Discuss
- 4. Point A divides segment BC in the ratio 5:1. Co-ordinates of B are (6 ,-4) and C are (0,8). What are the co-ordinates of point A?
Options- A. (-1 , 6)
- B. (1 , -6)
- C. (-1 , -6)
- D. (1 , 6) Discuss
- 5. The diagonal of a square is 10 cm. What is the length (in cm) of its side?
Options- A. 5
- B. 5?2
- C. 10?2
- D. 5/?2 Discuss
- 6. If any two sides of a triangle are divided by the line in the same ratio, then the line must be _________________ to the third side of the triangle.
Options- A. equal
- B. parallel
- C. perpendicular
- D. non parallel Discuss
- 7. The perimeter and the breadth of a rectangle are 44 cm and 10 cm respectively. Find its area (in cm2).
Options- A. 60
- B. 240
- C. 120
- D. 180 Discuss
- 8. ?ABC is similar to ?PQR. Length of AB is 18 cm and length of the corresponding side PQ is 12 cm. If area of ?ABC is 324 sq cm, what is the area of ?PQR?
Options- A. 72 sq cm
- B. 144 sq cm
- C. 36 sq cm
- D. 487.5 sq cm Discuss
- 9. 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
- 10. 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
Volume and Surface Area problems
Search Results
Correct Answer: 10.2 cm
Correct Answer: 12
Correct Answer: 15
Correct Answer: (1 , 6)
Correct Answer: 5?2
Correct Answer: parallel
Correct Answer: 120
Correct Answer: 144 sq cm
Correct Answer: 718.67 cubic cm
Correct Answer: 9.6 cm
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