Home
Class 9
MATHS
A hemispherical bowl made of brass has i...

A hemispherical bowl made of brass has inner diameter 10.5 cm. Find the cost of tin-plating it on the inside at the rate of Rs. 16 per 100 `cm^(2)`.

Text Solution

Verified by Experts

The correct Answer is:
Rs. 27.72
Promotional Banner

Topper's Solved these Questions

  • SURFACE AREAS AND VOLUMES

    KUMAR PRAKASHAN|Exercise EXERCISE 13.5|9 Videos

  • SURFACE AREAS AND VOLUMES

    KUMAR PRAKASHAN|Exercise EXERCISE 13.6|8 Videos

  • SURFACE AREAS AND VOLUMES

    KUMAR PRAKASHAN|Exercise EXERCISE 13.3|8 Videos

  • STATISTICS

    KUMAR PRAKASHAN|Exercise MULTIPLE CHOICE QUESTIONS|12 Videos

  • TRIANGLES

    KUMAR PRAKASHAN|Exercise SUMS TO ENRICH REMEMBER|9 Videos

Similar Questions

Explore conceptually related problems

A cylindrical pillar is 50 cm in diameter and 3.5 m in height. Find the cost of painting the curved surface of the pillar at the rate of Rs. 12.50 per m^(2) .

The diameter of a hollow hemispherical lid is 7 m. Find the cost of painting outer surfaces of 10 such lids at the rate of Rs. 20 per m^(2) .

The slant height and base diameter of a conical tomb are 25 m and 14 m respectively. Find the cost of whitewashing its curved surface at the rate of Rs. 210 per 100 m^(2) .

The diameter and height of a cylindrical water tank are 2 m and 14 m respectively. Find the cost of painting its outer curved surface at the rate of Rs. 20 per m^(2) .

A hemispherical dome of a buiding needs to be painted (see the given figure). If the circumference of the base of the dome is 17.6 m, find the cost of painting it, given the cost of painting is Rs. 5 per 100 cm^(2) .

The area of a circular playground is 22,176 m^(2) . Find the cost of facing this ground at the rate of Rs.50 per meter.

A hemispherical bowl has a radius of 3.5 cm. What would be the volume of water it would contain ?

The floor of a rectangular hall has a perimeter 250 m. If the cost of painting the four walls at the rate of Rs. 10 per m^(2) is Rs. 15,000, find the height of the hall. [Hint : Area of the four walls = Lateral surface area.]