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Mathematics NULL Medium
Question

The length of a rectangle is twice its breadth. If the length is decreased by 5 cm and the breadth is increased by 5 cm, the length of the rectangle is _________?

A
20 cm
B
30 cm
C
40 cm
✓ Official correct answer
D
50 cm

Community credibility

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A
20 cm
Official option

No member explanations yet for this option.

B
30 cm
Official option

No member explanations yet for this option.

C
40 cm
Official option

No member explanations yet for this option.

D
50 cm
Official option

No member explanations yet for this option.

Explanation

The stem does not state whether area is unchanged or the figure becomes a square; those usual completions give length 10 cm or 20 cm, not 40 cm.

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