Volume and Surface Area problems
- 1. BE and CF are two altitudes of a triangle ABC. If AB = 6 cm , AC = 5 cm and CF = 4 cm , then the length of BE is
Options- A. 4.8 cm
- B. 7.5 cm
- C. 3.33 cm
- D. 5.5 cm Also asked in: Bank Exams
Correct Answer: 4.8 cm
- 2. In a ?ABC , BC is extended upto D, ? ACD =120°, ? B = 1/2 A. Then ? A is
Options- A. 60°
- B. 75°
- C. 80°
- D. 90° Also asked in: Bank Exams
Correct Answer: 80°
- 3. O is the centre of a circle and AB is the tangent to it touching at B . If OB = 3 cm. and OA = 5 cm , then the measure of AB in cm
Options- A. ?34
- B. 2
- C. 8
- D. 4 Also asked in: Bank Exams
Correct Answer: 4
- 4. In ?ABC, the medians AD and BE meet at G. The ratio of the areas of ?BDG and the quadrilateral GDCE is
Options- A. 1 : 2
- B. 1 : 3
- C. 2 : 3
- D. 3 : 4 Also asked in: Bank Exams
Correct Answer: 1 : 2
- 5. The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :
Options- A. 52
- B. 56
- C. 68
- D. 72 Also asked in: Bank Exams
Correct Answer: 52
- 6. O is an centre of a circle. P is an external point of it at distance of 13cm from O. The radius of the circle is 5cm. Then the length of a tangent to the circle from P upto the point of contact is
Options- A. ?194cm
- B. 10cm
- C. 12cm
- D. 8cm Also asked in: Bank Exams
Correct Answer: 12cm
- 7. G is the centroid of the equilateral triangle ABC, if AB = 9cm then AG is equal to
Options- A. 3?3cm
- B. 3cm
- C. 3?3/2cm
- D. 6cm Also asked in: Bank Exams
Correct Answer: 3?3cm
- 8. ? ABC is right angled at B. If m?A = 30° , what is the length of AB (in cm), if AC = 10 cm?
Options- A. 5
- B. 5?3
- C. 10?3
- D. 10 Also asked in: Bank Exams
Correct Answer: 5?3
- 9. The chord AB of a circle of centre O subtends an angle ? with the tangent at A to the circle. Then measure of?ABO is
Options- A. ?
- B. 90° - ?
- C. 90° + ?
- D. 2 (180° - ?) Also asked in: Bank Exams
Correct Answer: 90° - ?
- 10. Two adjacent sides of a parallelogram are 21 cms and 20 cms. The diagonal joining the end points of these two sides is 29 cms. The area of the parallelogram (in sq.cms) is
Options- A. 240
- B. 120
- C. 210
- D. 420 Also asked in: Bank Exams
Correct Answer: 420
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