English
Hindi

Question

Download Solution PDF

Find the volume of a hemisphere whose diameter is 7 cm. (Take π = 22/7) (Rounded up to two decimal places)

This question was previously asked in
SSC GD Constable 2025 Official Paper (Held On: 07 Feb, 2025 Shift 1)
Download PDF Attempt in App
View all SSC GD Constable Papers >
  1. 99.83 cm3
  2. 94.83 cm3
  3. 89.83 cm3
  4. 84.83 cm3

Answer (Detailed Solution Below)

Option 3 : 89.83 cm3
Free Tests
View all Free tests >
Free
SSC GD General Knowledge and Awareness Mock Test
20 Qs. 40 Marks 10 Mins
Start Now

Detailed Solution

Download Solution PDF

Given:

Diameter = 7 cm

Radius (r) = Diameter/2 = 7/2 = 3.5 cm

Formula used:

Volume of hemisphere =

Calculation:

Volume of hemisphere =

⇒ Volume =

⇒ Volume =

⇒ Volume =

⇒ Volume =

⇒ Volume = 89.83 cm3

∴ The correct answer is option (3).

Download Solution PDF
Latest SSC GD Constable Updates

Last updated on Jul 8, 2025

-> The Staff Selection Commission released the SSC GD 2025 Answer Key on 26th June 2025 on the official website.

-> The SSC GD Notification 2026 will be released in October 2025 and the exam will be scheduled in the month of January and February 2026.

-> Now the total number of vacancy is 53,690. Previously, SSC GD 2025 Notification was released for 39481 Vacancies. 

-> The selection process includes CBT, PET/PST, Medical Examination, and Document Verification.

-> The candidates who will be appearing for the 2026 cycle in the exam must attempt the SSC GD Constable Previous Year Papers. Also, attempt SSC GD Constable Mock Tests.

‹‹ Previous Ques
Next Ques ››
Exams Tests Super Practice

More Solid Figures Questions

Q1.Find the Total surface area of the hemisphere whose radius is 33 cm and π = 3.14(cm2).
Q2.The length, breadth and height of a room in the shape of a cuboid are increased by 20%, 25% and 30% respectively. Find the percentage increase in the volume of the cuboid.
Q3.Find the surface area of the sphere(in cm²) whose radius is 24cm and π=3.14.
Q4.If the radius of the base of a right circular cylinder is decreased by 27% and its height is increased by 237%, then what is the percentage increase (closest integer) in its volume?
Q5.A cuboid has dimensions of length 10 cm, width 5 cm and height 8 cm. A cube with side length 5 cm is cut out from one of the faces of the cuboid. What is the remaining volume of the cuboid?
Q6.If the radius of a cylinder is doubled and the height is halved, then the volume change will be:
Q7.A solid metallic hemisphere of radius 5.4 cm is melted and recast into a right circular cylinder of radius 12 cm. What is the height (in cm) of the cylinder?
Q8.The sum of the length, width and depth of a cuboid is 8 cm and its diagonal is 5 cm. What is its surface area?
Q9.If the radius of the base of a right circular cylinder is decreased by 30% and its height is increased by 224%, then what is the percentage increase (closest integer) in its volume?
Q10.A pencil sharpened at both edges is the combination of _________ and __________. 

More Mensuration Questions

Q1.Perimeter of a rectangular field is equal to the perimeter of a triangular field whose sides are in the ratio 3:2:4 respectively. lf area of rectangular field is 500 m2 and sides are in the ratio 5:4 respectively, then calculate the longer side of the triangular field.
Q2.Perimeter of square is 64 m. Length of rectangle is 4 m more than the side of square. Breadth of rectangle is 12 m. Find the area of rectangle?
Q3.Ratio of length and breadth of rectangle is 5:3. Diameter of circle is 7/5 of the length of rectangle. Circumference of circle is 24 m more than the perimeter of rectangle. Find the area of rectangle?
Q4.If the perimeter of circle is 66m which is 3/4th of actual perimeter of the circle. Find the area of circle.
Q5.Find the Total surface area of the hemisphere whose radius is 33 cm and π = 3.14(cm2).
Q6.The length, breadth and height of a room in the shape of a cuboid are increased by 20%, 25% and 30% respectively. Find the percentage increase in the volume of the cuboid.
Q7.Find the surface area of the sphere(in cm²) whose radius is 24cm and π=3.14.
Q8.How many seconds will a boy take to run one complete round around a square field of side 55 metres, if he runs at a speed of 18 km/h?
Q9.If the radius of the base of a right circular cylinder is decreased by 27% and its height is increased by 237%, then what is the percentage increase (closest integer) in its volume?
Q10.How many seconds will a boy take to run one complete round around a square field of side 38 metres, if he runs at a speed of 6 km/h?
Suggested Test Series
View All >
Current Affairs (CA) 2025 Mega Pack for SSC/Railways/State Exam Mock Test
431 Total Tests with 1 Free Tests
Start Free Test
SSC Maths PYP Mock Test Series (20k+ Questions)
1655 Total Tests with   0 Free Tests
Start Free Test

More Quantitative Aptitude Questions

Q1.Perimeter of a rectangular field is equal to the perimeter of a triangular field whose sides are in the ratio 3:2:4 respectively. lf area of rectangular field is 500 m2 and sides are in the ratio 5:4 respectively, then calculate the longer side of the triangular field.
Q2.A cistern has an inlet pipe and an outlet pipe. Inlet pipe can fill three-fourth of the cistern in 24 minutes while outlet pipe can empty the one-third filled cistern in 16 minutes. If both the pipes are opened together, then the cistern will be completely filled in-
Q3.In a family, three sons were born for every 3 years one after the other. If the ratio of present ages of father and the eldest son is 15:7 and the average of the present ages of the 3 sons is 18 years. What will be the ratio of the ages of the father and the youngest son after 5 years?
Q4.Train A of length 80m while moving crosses a pole in 16 seconds. lf it is known that the lengths of train B and train A is in the ratio of 3:1, then how long would it take train B to cross a platform which is half the length of train A if the speed of train B is same as that of train A?
Q5.Can A and Can B contain a mixture of soda and water in the ratio of 5 : 3 and 7 : 2 respectively If soda and water are taken out in the ratio of P : Q from can A and B respectively to form a new mixture in which the ratio of soda and water is 12 : 5 respectively, then find the value Of P:Q?
Q6.A boat can covers a certain distance in upstream and same distance in downstream in total of 7 hours 48 minutes, If upstream speed of the boat is 62.5%. of downstream speed of the boat and speed of the stream is 3 km/h, what is the total distance covered by the boat?
Q7.M and R went for shopping and bought two sarees each at different cost. Cost price of saree bought by R is Rs.250 more than the cost price of saree bought by M. Shopkeeper earned a profit of 20% on selling both the sarees together to R and M which he bought them at total Rs.6000. At what cost did M buy saree?
Q8.There are three numbers m, n, and p, such that sum of m and n is 144, sum of thrice of n and five times of p is 464, and sum of p and m is 160, then what is the value of p?
Q9.While calculating average marks of 60 students, the two digits of original marks of a student are written reversed and thereby average of marks is increased by 0.6 Find the difference between the two digits of marks of the student?  
Q10.Simple interest received on a certain sum at a rate of simple interest of 5% for 2 years is Rs.780. If the rate of interest remains same, what will be the total amount at the time of withdrawal at the end of 5 years.  
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
support@testbook.com
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Hot Links： teen patti master apk teen patti rummy teen patti yes