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Plants and Their Products

Which of the ...

Question

Which of the following are the purposes of making doors, chairs and tables of wood instead of plastic?

A

Durability

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B

Resistance to temperature

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C

Low cost

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D

Stylish finishing

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Solution

The correct options are
A Durability
B Resistance to temperature
D Stylish finishing
Wood is used in the construction of buildings and making of furniture like doors, chairs and tables. Woods are obtained from certain plants. Wood is preferred over plastic beacuse of its durability, stylish finishing and resistance to temperature changes.

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Similar questions

Q. Use the graphical method to solve each of the following LP problems.
LESCO Engineering produces chairs and tables. Each table takes four hours of labour from the carpentry department and two hours of labour from the finishing department. Each chair requires three hours of carpentry and one hour of finishing.

During the current week,

240

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100

hours of finishing time. Each table produced gives a profit of

E 70

and each chair a profit of

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. How many chairs and tables should be made in order to maximize profit?

Q. Statements: No chair is a table.
Some tables are doors.
All plastics are chairs.
Conclusions: I. No table is a plastic.
II. All chairs being doors is a possibility.

Statements:

No wood is table.

Some tables are chairs.

All chairs are stones.

Conclusions:

I. No stone is wood.

II. Some stones are tables.

Q. Statements: No chair is a table.
Some tables are doors.
All plastics are chairs.
Conclusions: I. No door is a plastic.
II. No chair is a door.

Q. A furniture manufacturing company plans to make two products : chairs and tables. From its available resources which consists of 400 square feet to teak wood and 450 man hours. It is known that to make a chair requires 5 square feet of wood and 10 man-hours and yields a profit of Rs 45, while each table uses 20 square feet of wood and 25 man-hours and yields a profit of Rs 80. How many items of each product should be produced by the company so that the profit is maximum?

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