Area problems
- 1. What is the measure of the central angle of the sector whose area is 462 sq cm and radius of the circle is 21 cm?
Options- A. 90°
- B. 60°
- C. 30°
- D. 120° Discuss
Correct Answer: 120°
- 2. The crosssection of a canal is in the shape of an isosceles trapezium which is 3 m wide at the bottom and 5 m wide at the top. If the depth of the canal is 2 m and it is 110 m long, what is the maximum capacity of this canal? (Take ? = 22/7)
Options- A. 1760 cubic metres
- B. 1650 cubic metres
- C. 1056 cubic metres
- D. 880 cubic metres Discuss
Correct Answer: 880 cubic metres
- 3. In the given figure, OX, OY and OZ are perpendicular bisectors of the three sides of the triangle. If QPR = 65 deg and PQR = 60 deg, then what is the value (in deg) of QOR + POR?
Options- A. 250
- B. 180
- C. 210
- D. 125 Discuss
Correct Answer: 250
- 4. In a triangle PQR, ?PQR = 90 deg, PQ = 10 cm and PR = 26 cm, then what is the value (in cm) of inradius of incircle?
Options- A. 9
- B. 4
- C. 8
- D. 6 Discuss
Correct Answer: 4
- 5. In the given figure, if QR/XY = 14/9 and PY = 18 cm, then what is the value (in cm) of PQ?
Options- A. 28
- B. 18
- C. 21
- D. 24 Discuss
Correct Answer: 28
- 6. In a triangle PQR, PX, QY and RZ be altitudes intersecting at O. If PO = 6 cm, PX = 8 cm and QO = 4 cm, then what is the value (in cm) of QY?
Options- A. 6.3
- B. 5.8
- C. 6
- D. 7 Discuss
Correct Answer: 7
- 7. A line cuts two concentric circles. The lengths of chords formed by that line on the two circles are 4 cm and 16 cm. What is the difference (in cm2) in squares of radii of two circles?
Options- A. 240
- B. 120
- C. 60
- D. 90 Discuss
Correct Answer: 60
- 8. In the given figure, PQ is a diameter of the semicircle PABQ and O is its center. AOB = 64 deg. BP cuts AQ at X. What is the value (in deg) of AXP?
Options- A. 36
- B. 32
- C. 58
- D. 54 Discuss
Correct Answer: 58
- 9. In the given figure, in a right angle triangle ABC, AB = 12 cm and AC = 15 cm. A square is inscribed in the triangle. One of the vertices of square coincides with the vertex of triangle. What is the maximum possible area (in cm.sq) of the square?
Options- A. 1296/49
- B. 25
- C. 1225/36
- D. 1225/64 Discuss
Correct Answer: 1296/49
- 10. In the given figure, PQRS is a square of side 8 cm. PQO = 60 deg. What is the area (in sq.cm) of the triangle POQ?
Options- A. 32√3
- B. 24[(√)-1]
- C. 48[(√3)-1]
- D. 16[3-(√3)] Discuss
Correct Answer: 16[3-(√3)]
More in Aptitude:
Programming
Copyright ©CuriousTab. All rights reserved.