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Standard IX

Mathematics

Venn Diagram

When the leng...

Question

When the length and width of a rectangle are increased by 5 cm each, its area increases by 100 cm². However, if the length of the rectangle is increased by 1 cm and its breadth is decreased by 1 cm, then the area of the rectangle decreases by 6 cm².

What is the original area of the rectangle?

50 cm²

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100 cm²

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150 cm²

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200 cm²

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Solution

The correct option is A
50 cm²

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When the length and width of a rectangle are increased by 5 cm each, its area increases by 100 cm2. However, if the length of the rectangle is increased by 1 cm and its breadth is decreased by 1 cm, then the area of the rectangle decreases by 6 cm2. What is the original area of the rectangle?

The correct option is A 50 cm2

When the length and width of a rectangle are increased by 5 cm each, its area increases by 100 cm². However, if the length of the rectangle is increased by 1 cm and its breadth is decreased by 1 cm, then the area of the rectangle decreases by 6 cm².

What is the original area of the rectangle?

The correct option is A
50 cm²