Discussion
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- Question
In the given figure, PQRSTU is a regular hexagon of side 12 cm. What is the area (in sq.cm) of triangle SQU?
Options- A. 162√3
- B. 216√3
- C. 108√3
- D. 54√3
- Correct Answer
- 108√3
- 1. In the given figure, 3 semicircles are drawn on three sides of triangle ABC. Ab = 21 cm, BC = 28 cm and AC = 35 cm. What is the area (in sq.cm) of the shaded part?
Options- A. 588
- B. 324
- C. 294
- D. 286 Discuss
- 2. In triangle PQR, C is the centroid. PQ = 30 cm, QR = 36 cm and PR = 50 cm. If D is the midpoint of QR, then what is the length (in cm) of CD?
Options- A. (4?86)/3
- B. (2?86)/3
- C. (5?86)/3
- D. (5?86)/2 Discuss
- 3. In the given figure, PQR is a quadrant whose radius is 7 cm. A circle is inscribed in the quadrant as shown in the figure. What is the area (in sq.cm) of the circle?
Options- A. 385-221√2
- B. 308-154√2
- C. 154-77√2
- D. 462-308√2 Discuss
- 4. In the given figure, PQRS is a rectangle and a semicircle with SR as diameter is drawn. A circle is drawn as shown in the figure. If QR = 7 cm, then what is the radius (in cm) of the small circle?
Options- A. 21+14√2
- B. 21-14√2
- C. 20+14√2
- D. 20-14√2 Discuss
- 5. In the given figure, ABCD is a square. EFGH is a square formed by joining mid points of sides of ABCD. LMNO is a square formed by joining mid points of sides of EFGH. A circle is inscribed inside EFGH. If area of circle is 38.5 sq.cm, the what is the area (in sq.cm) of square ABCD?
Options- A. 98
- B. 196
- C. 122.5
- D. 171.5 Discuss
- 6. In the given figure, O is the centre of the circle and QOR = 50 deg, then what is the value of RPQ (in deg)?
Options- A. 15
- B. 20
- C. 25
- D. 30 Discuss
- 7. Two identical hemispheres of maximum possible size are cut from a solid cube of side 14 cm. The bases of the hemispheres are part of the two opposite faces of cube. What is the total volume (in cm3) of the remaining part of the cube?
Options- A. 1556.33
- B. 898.5
- C. 1467.33
- D. 1306.67 Discuss
- 8. ?GHI is similar to ?KLM. If the ratio of Perimeter of ? GHI : Perimeter of ?KLM = 1:4, and length of GH is 2 cm, what is the length of the corresponding side KL?
Options- A. 4 cm
- B. 8 cm
- C. 32 cm
- D. 16 cm Discuss
- 9. In ?ABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and AE are 8 cm, 4 cm and 12 cm respectively, what is the length of AC?
Options- A. 6 cm
- B. 18 cm
- C. 9 cm
- D. 15 cm Discuss
- 10. A cone of radius 3.5 cm and height 27 cm is completely filled with water. This water is emptied into an empty cylindrical vessel of radius 2.1 cm. What will be the height of water in this vessel? (Take ? = 22/7)
Options- A. 50 cm
- B. 25 cm
- C. 12.5 cm
- D. 37.5 cm Discuss
Area problems
Search Results
Correct Answer: 294
Correct Answer: (4?86)/3
Correct Answer: 462-308√2
Correct Answer: 21-14√2
Correct Answer: 196
Correct Answer: 25
Correct Answer: 1306.67
Correct Answer: 8 cm
Correct Answer: 18 cm
Correct Answer: 25 cm
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