**TNPSC Exam Maths Question and Answer – Volume:**

Aptitude and Mental Ability questions are more important for the TNPSC Group 1, 2, 2a, and 4 Examination. You will get 25 marks from that Aptitude and Mental Ability portion. Students who are preparing for the TNPSC Group 1, 2, 2a, and 4 exams concentrate more on the Maths – **Volume Questions and Answers** part. you will easily score more marks in the Mental Ability part. For students’ benefit, we upload aptitude and mental ability MCQ problems in PDF for download. Go through TNPSC Aptitude Shortcuts in order to save time in the prelim exam. TNPSC aspirants can download and use it for the group exam. kindly download **TNPSC Maths PDF** given below:

The TNPSC Maths – Volume sums questions and answers are provided along with the PDF on this page. TNPSC group 1, 2, 2a, and 4 aptitude study material in English and Tamil PDF available with question answers. Also, see Aptitude Shortcuts so that you will clear/solve question answers easily. TNPSC maths questions and answers in Tamil and English PDF have given below:

Check the link for more questions and answers on Maths Area – **TNPSC Maths Volume PDF**

To see the complete TNPSC Maths Syllabus and Study Materials, check the link – **TNPSC Maths Syllabus and Study Materials**

Check the TNPSC Group Exam Maths Volume Questions and Answers below,

**TNPSC Maths Volume Problem Question with Solutions**

1. Find the area of a sector whose perimeter is 64 cm and the length of the arc is 44 cm.

a) 220 cm b) 210 cm

c) 240 cm d) 230 cm

2. The volume of a solid right circular cone is 11088 cm3. If its height is24 cm then finds the radius of the cone. (cm)

a) 21 b) 22

c) 23 d) 24

3. A frustum of a right circular cone is of height 16cm with radii of its ends as 8cm and 20cm. Then, the volume of the frustum is

a) 3328p cm3 b) 3228p cm3 c) 3240p cm3 d) 3340p cm3

4. The number of bricks each measuring 50 cm × 30 cm × 20 cm that will be required to build a wall whose dimensions are 5 m × 3 m × 2 m is

a) 1500 b) 1600

c) 1000 d) 1750

5. A hemispherical hollow bowl has material of volume 436p/3cubic cm. Its external diameter is 14 cm. Find its thickness. (cm)

a) 2 b) 3 c) 4 d) 5

6. A closed shape has 20 equal sides and one of its sides is 3 cm. Find its perimeter.(cm3)

a) 60 b) 40

c) 20 d) 30

7. The scalene triangle has 40 cm as its perimeter and whose two sides are 13 cm and 15 cm, find the third side.

a) 11 cm b) 12 cm

c) 13 cm d) 14 cm

8. A vessel is in the form of a hemispherical bowl mounted by a hollow cylinder. The diameter is 14 cm and the height of the vessel is 13 cm. Find the capacity of the vessel.

a) 1642.54 b) 1642.42

c) 1642.67 d) None

9. The central angle of a semicircle is _________

a) 180o b) 360o

c) 270o d) 90o

10. Find the volume of the iron used to make a hollow cylinder of height 9 cm and whose internal and external radii are 21 cm and 28 cm respectively. (cm3)

a) 9702 b) 9501

c) 9402 d) 9771

11. The total surface area of a cylinder whose radius is

a) 9 p h2/8 sq.units b) 24p h2 sq.units c) 8p h2/9 sq.units d) 56 p h2/9 sq.units

12. Find the volume of a cylinder whose height is 2 m and whose base area is 250 m2. (m3)

a) 400 b) 200

c) 300 d) 500

**Answers:**

**A****A****A****C****A****A****B****C****A****A****C****D**

For TNPSC Group Exam Area questions and answers, check the link – **TNPSC Group Exam Area Questions and Answers**

For TNPSC Group Exam Time & Work questions and answers, check the link – **TNPSC Group Exam Time & Work Questions and Answers**