Mensuration (Part-5)

Total Questions: 50

31. If the area of a triangle whose base measures 6 cm is 18 cm², then its height is: [SSC CHSL 03/07/2024 (4th Shift)]

Correct Answer: (a) 6 cm
Solution:

32. The edges of a rectangular box are in the ratio of 3 : 5 : 8, and its surface area is 632 cm². [SSC CHSL 04/07/2024 (1st Shift)]

What will be the volume of the box?

Correct Answer: (b) 960 cm³
Solution:

33. Three solid cubes of metal have sides 6 cm, 8 cm and 10 cm, respectively. They are melted to form a new cube. What is the surface area of this new cube? [SSC CHSL 04/07/2024 (1st Shift)]

Correct Answer: (d) 864 cm²
Solution:

34. If the diameter of the base and curved surfaced area of a cylinder are 14cm and 352 cm², respectively, then the total surface area of the cylinder is equal to: [SSC CHSL 04/07/2024 (1st Shift)]

Correct Answer: (a) 660 cm²
Solution:

35. The radius of a sphere is increased by 25%. What is the increase percent in surface area? [SSC CHSL 04/07/2024 (2nd Shift)]

Correct Answer: (c) 56.25%
Solution:

36. What is the curved surface area of cylinder whose radius is 3cm and height is 14cm ? (Take π =22/7) [SSC CHSL 04/07/2024 (2nd Shift)]

Correct Answer: (b) 264 cm²
Solution:

37. The total surface area of a solid hemisphere of diameter 28 cm is: [SSC CHSL 04/07/2024 (3rd Shift)]

Correct Answer: (a) 1848 cm²
Solution:

38. Find the capacity of an overhead cylindrical water tank, in litres, whose radius is 2.1 m and height is 6.3 m. [SSC CHSL 04/07/2024 (3rd Shift)]

Correct Answer: (c) 87318
Solution:

39. The diameter of a cylinder is 14 cm and its height is 9 cm. Find the total surface area of the cylinder. [SSC CHSL 04/07/2024 (3rd Shift)]

Correct Answer: (a) 704 cm²
Solution:

40. From a circle, a sector with a central angle of 30° is cut off. If the length of the arc of this sector is 5.5 cm, then find the radius (in cm) of the circle. [Use π = 22/7] [SSC CHSL 04/07/2024 (4th Shift)]

Correct Answer: (d) 10.5
Solution: