Related Questions

A brand of paint costs Tk. 14 per liter and 1 liter of paint will cover an area of 150 square feet. what is the minimum cost of paint needed to cover the 4 walls of a rectangular room that ix 12 feet wide, 16 feet long and 8 feet high?
A Tk. 42
B Tk. 32
C Tk. 50
D Tk. 30
A brand of paint costs Tk. 14 per liter, and 1 liter of paint will cover an area of 150 square feet. What is the minimum cost of paint needed to cover the 4 walls of a rectangular room that is 12 feet wide, 16 feet long and 8 feet high?
A Tk. 42
B Tk. 32
C Tk. 50
D Tk. 30
If m men can paint a house in d days, how many days will it take m+2 men to paint the same house?
A d+2
B (m+2)/md
C md/(m+2)
D d+m+2
It takes 72 hours for five workers to paint an office building. If the number of hours worked is inversely proportional to the number of workers, how many hours should it take six workers to paint the building?
A 68 hours
B 65 hours
C 60 hours
D 70 hours
Painter A can paint a house in 16 days and painter B can do the same work in 20 days . With the help of painter C, they paint the house in 8 days only. Then , Painter C alone can do this task in -
A 80 days
B 85 days
C 79 days
D 76 days
If m men can paint a house in d days, how many days will it take m + 2 men to paint the same house?
A d + 2
B md / (m + 2)
C (m + 2) / m d
D d + m + 2
Styrene which is a monomer for the production of polystyrene, is commercially produced by the
A Catalytic dehydrogenation of ethyl benzene
B Dehydration of ethyl alcohol followed by hydrogenation
C Reacting ethylene oxide with acetal-dehyde
D Fermentation of starch
Polystyrene is a __________ plastic at room temperature.
A Ductile
B Brittle
C Malleable
D None of these
Polystyrene is a light, transparent, thermoplastic material used for making
A Toys and combs
B Packaging bags
C Non-sticking utensils
D Electrical insulation
Thermocole (expanded polystyrene) is not used for
A Low temperature thermal insulation as in refrigerator and air conditioners
B Accoustic control and ceiling for building
C High temperature thermal insulation in furnaces
D Packing of delicate electronic gadgets

Next steps