Area problems
- 1. There is a circular garden of radius 21 metres. A path of width 3.5 metres is constructed just outside the garden. What is the area (in metres2) of the path?
Options- A. 50.05
- B. 57.56
- C. 52.12
- D. none Also asked in: Bank Exams
Correct Answer: none
- 2. A solid hemisphere has radius 14 cm. It is melted to form a cylinder such that the ratio of its curved surface area and total surface area is 2 : 3. What is the radius (in cm) of its base?
Options- A. 1033
- B. 1433
- C. 733
- D. 2133 Also asked in: Bank Exams
Correct Answer: 1433
- 3. In a trapezium, one diagonal divides the other in the ratio 2 : 9. If the length of the larger of the two parallel sides is 45 cm, then what is the length (in cm) of the other parallel side?
Options- A. 10
- B. 5
- C. 18
- D. 14 Also asked in: Bank Exams
Correct Answer: 10
- 4. The distance between the centres of two circles is 61 cm and their radii are 35 cm and 24 cm. What is the length (in cm) of the direct common tangent to the circles?
Options- A. 60
- B. 54
- C. 48
- D. 72 Also asked in: Bank Exams
Correct Answer: 60
- 5. PQR is a triangle, whose area is 180 cm2. S is a point on side QR, such that PS is the angle bisector of ?QPR. If PQ : PR = 2 : 3, then what is the area (in cm2) triangle PSR?
Options- A. 90
- B. 108
- C. 144
- D. 72 Also asked in: Bank Exams
Correct Answer: 108
- 6. 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 Also asked in: Bank Exams
Correct Answer: (4?86)/3
- 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 Also asked in: Bank Exams
Correct Answer: 1306.67
- 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 Also asked in: Bank Exams
Correct Answer: 8 cm
- 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 Also asked in: Bank Exams
Correct Answer: 18 cm
- 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 Also asked in: Bank Exams
Correct Answer: 25 cm
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