Area problems
- 1. The area of a circle is 346.5 cm2. Find its circumference (in cm).
Options- A. 132
- B. 38
- C. 66
- D. 76 Also asked in: Bank Exams
Correct Answer: 66
- 2. Find the total surface area (in cm2) of a cube of side 7.5 cm.
Options- A. 364.5
- B. 446
- C. 337.5
- D. 684 Also asked in: Bank Exams
Correct Answer: 337.5
- 3. The length of the diagonal of a square is 14 cm. What is area of this square?
Options- A. 49 sq cm
- B. 196 sq cm
- C. 98 sq cm
- D. 77 sq cm Also asked in: Bank Exams
Correct Answer: 98 sq cm
- 4. The circumferences of two circles are touching externally. The distance between their centres is 12 cm. The radius of one circle is 7 cm. Find the diameter(in cm) of the other circle.
Options- A. 12
- B. 10
- C. 8
- D. 5 Also asked in: Bank Exams
Correct Answer: 10
- 5. The area and the length of one of the diagonals of a rhombus is 84 cm² and 7 cm respectively. Find the length of its other diagonal (in cm).
Options- A. 12
- B. 24
- C. 48
- D. 36 Also asked in: Bank Exams
Correct Answer: 24
- 6. Find the perimeter (in cm) of a semicircle of radius 28 cm.
Options- A. 288
- B. 144
- C. 121
- D. 242 Also asked in: Bank Exams
Correct Answer: 144
- 7. ABCD is a quadrilateral inscribed in a circle (radius = ). The bisectors of the angles DAB and BCD intersect the circle at X and Y, respectively. What is the length of the straight line XY?
Options- A. ? (rxr)
- B. 2r
- C. (r + 2)
- D. ? (rxr)/2 Also asked in: Bank Exams
Correct Answer: 2r
- 8. There is a square field of area ?X? square meters. A cylindrical ditch of radius 7 meters and depth 2 meters is dug, and the earth is taken out and spread over the remaining part of the square field, the height of square field which goes up by 0.77 meters. What is the value of ?X? ?
Options- A. 548 sq. m
- B. 524 sq. m
- C. 518 sq. m
- D. 554 sq. m Also asked in: AIEEE, Bank Exams
Correct Answer: 554 sq. m
Explanation:
Volume of the cylindrical ditch = ?rxrh = 22/7 ×7×7×2 = 308 sq.m
Area of remaining field = (X ??rxr) sq.m
= (X ? 154)
ATQ ?
(X ? 154) ×0.77 = 308
(X ? 154) = 400
X= 554 sq.m
- 9. If a cylinder of radius 4 cm and height 8 cm is melted and constructed into a cone of the same radius, what will be the height of this cone?
Options- A. 48 cm
- B. 24 cm
- C. 36 cm
- D. 12 cm Also asked in: Bank Exams
Correct Answer: 24 cm
- 10. What is the length of the arc whose central angle is 30° and radius of the circle is 21 cm?
Options- A. 22 cm
- B. 16.5 cm
- C. 11 cm
- D. 28 cm Also asked in: Bank Exams
Correct Answer: 11 cm
More in Bank Exams:
Programming
Copyright ©CuriousTab. All rights reserved.