MCQ - TNPSC JTO

JTO - 540 - Trade - Workshop Calculation Science

UNIT - 6 - Mensuration - Area of Cut-Out Regular

49)   

A sector of a circle has a radius of 7 cm and a central angle of 90°. Find the perimeter of the sector. 

A.
B.
C.
D.
50)   

A hemisphere has a radius of 14 cm. Find its total surface area, including the base area. 

A.
B.
C.
D.
51)   

A cone has a base radius of 7 cm and slant height of 25 cm. Find its curved surface area. 

A.
B.
C.
D.
52)   

A circle has a radius of 14 cm. Find the area of a minor segment if the central angle is 90°. 

A.
B.
C.
D.
53)   

A solid object consists of a cylinder with a radius of 3 cm and height of 6 cm, and a hemisphere attached on top. Find the total volume of the object. 

A.
B.
C.
D.
54)   

A square has a side length of 8 cm, and a quarter circle with a radius equal to the side of the square is added to one corner. Find the perimeter of the combined shape. 

A.
B.
C.
D.
55)   

A hexagonal tank has a base edge of 5 m and a height of 10 m. Find its capacity in liters. 

A.
B.
C.
D.
56)   

A cone with a radius of 7 cm and height of 24 cm is placed on top of a cylinder with the same radius and height of 20 cm. Find the total surface area of the combined shape. 

A.
B.
C.
D.
57)   

A circle with a radius of 10 cm has a rectangle of dimensions 12 cm × 8 cm cut out from its center. Find the remaining area of the circle. 

A.
B.
C.
D.
58)   

An ellipsoid has semi-axes of 7 cm, 5 cm, and 3 cm. Calculate its volume. 

A.
B.
C.
D.
59)   

A circular track has an inner radius of 30 m and a width of 5 m. Find the total perimeter of the track. 

A.
B.
C.
D.
60)   

A sphere has a radius of 21 cm. Find its total surface area.

A.
B.
C.
D.
61)   

A truncated square pyramid has a top edge of 4 cm, bottom edge of 10 cm, and height of 8cm. Find its volume. 

A.
B.
C.
D.
62)   

A hollow sphere has an outer radius of 10 cm and inner radius of 8 cm. Find its total surface area. 

A.
B.
C.
D.
63)   

A square with a side length of 12 cm has a semicircle attached to one side and an equilateral triangle attached to the adjacent side. Find the total perimeter.

A.
B.
C.
D.
64)   

A parallelogram has a base of 15 cm and height of 8 cm. Calculate its area. 

A.
B.
C.
D.