Login / Signup

Question

A right circular cone is surmounted by a hemisphere. The base radius of the cone is equal to the radius of the hemisphere. The diameter of the hemisphere is 12 cm while the height of the cone is 8
cm. Find the cost of painting the compound object if it costs ₹25 to paint a cm².

A ₹10,371

B ₹3,300

C ₹6,930

D ₹4,500

Practice Next

More Previous year papers Questions

Ramesh bought a cloth for Rs. 500 and sold it to Suresh at 10% loss. Suresh then sold it to Rajesh at 20% profit and Rajesh sold it to Raj at 10% profit. H...
525 + 526 + 527 is completely divisible by:
For an electric bill for ₹50,000, what is the difference between a discount of 30% and two successive discounts of 26% and 5%?
Two trains Mumbai Rajdhani and Kissan Express of lengths 850 m and 700 m are 1050 m apart, and are running on parallel tracks towards each other. Mumbai Ra...
X takes twice as much time as Y or thrice as much time as Z to finish a job. Working together, the trio can finish the job in 2 days. Y alone can do the wo...
Rahul invested equal sums of money at compound interest under two schemes A and B. Under scheme A, the interest rate was 10% per annum and under scheme B, ...
The external and the internal radii of a hollow right circular cylinder of height 15 cm are 6.75 cm and 5.25 cm respectively. If it is melted to form a sol...
Vipin travels one-third of the distance of a journey at a speed of 30 km/h and the remaining distance at a speed of 40 km/h. If he took a total of 12 hours...
The population of a city in the year 2020 was 2,00,000. The rate of growth of population is 8% per annum. Find the population of that city in the year 2022...
Jayesh purchased two switch boards at the same price, and sold one at a profit of 30% and the other at a profit of 23.5%. If the difference between the two...

Relevant for Exams:

Hey! Ask a query

ask-question