6 bowls cost Rs. 90. What would be the cost of 10 such bowls?

If the cost of a dozen of soaps is Rs.153.80 ,what will be the cost of 15 such soaps?

Cost of 5kg of wheat is Rs.30.50. What will be the cost of 8 kg of wheat?

The internal measures of a cuboidal room are 12 m xx 8 m xx 4 m . Find the total cost of whitewashing all four walls of a room, if the cost of white washing is Rs 5 per m^2. What will be the cost of white washing if the ceiling of the room is also whitewashed.

If the cost of 6 cans of juice is Rs.210 then what will be the cost of 4 cans of juice?

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