MCQ - TNPSC JTO

JTO - 540 - Trade - Workshop Calculation Science

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

113)   

 Find the capacity in litres of a conical vessel of radius 14 cm and height 24 cm.

A.
B.
C.
D.
114)   

 A cylindrical tank has height 1.2 m and diameter 1.4 m. What is its capacity in litres? 

A.
B.
C.
D.
115)   

 A sphere is melted and recast into a cone with radius 6 cm and height 12 cm. Find the radius of the sphere.

A.
B.
C.
D.
116)   

 A cuboid has dimensions 12 cm × 10 cm × 5 cm. How many cubes of side 2 cm can be cut out of it? 

A.
B.
C.
D.
117)   

 The TSA of a cone is 550 cm² and its slant height is 14 cm. Find its radius.

A.
B.
C.
D.
118)   

 A metal cube of side 5 cm is melted and cast into cylindrical rods of radius 0.5 cm. What is the total length of the rods?

A.
B.
C.
D.
119)   

 If the volume of a sphere is equal to the volume of a cube of side 6 cm, then the radius of the sphere is:

A.
B.
C.
D.
120)   

A rectangular sheet 30 cm × 20 cm has 4 identical circles of radius 2 cm cut from its corners. What is the remaining area? 

A.
B.
C.
D.
121)   

 From a circular sheet of radius 10 cm, a sector with central angle 60° is removed. What is the area of the remaining sheet? 

A.
B.
C.
D.
122)   

 A circular ring has inner and outer radii of 7 cm and 14 cm. A sector of 90° is cut from it. Find the area of the sector ring. 

A.
B.
C.
D.
123)   

Find the area of a circular segment formed by a chord 10 cm long in a circle of radius 6 cm. 

A.
B.
C.
D.
124)   

From a square plate of side 10 cm, a circle of radius 3 cm is cut out. Find the remaining area. 

A.
B.
C.
D.
125)   

 A parallelogram has adjacent sides 8 cm and 14 cm with an included angle of 60°. Find its area. 

A.
B.
C.
D.
126)   

 The area between two concentric semicircles of radii 10 cm and 6 cm is: 

A.
B.
C.
D.
127)   

 An irregular L-shaped room is made by joining two rectangles: one 8 m × 4 m, another 6 m × 3 m. Find total area. 

A.
B.
C.
D.
128)   

 A circular garden of radius 10 m has a path of width 2 m around it. Find the area of the path. 

A.
B.
C.
D.