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A rectangle measures 12cm long and 10cm wide. The length of the rectangle is increased in the ratio 3:2 while its breadth is decreased in the ratio 4:5. By what ratio is the area of the rectangle increased?

Class: KCPE

Subject: Mathematics

Topic: Ratio and proportions

Lesson Summary

A rectangle measures 12cm long and 10cm wide. The length of the rectangle is increased in the ratio 3:2 while its breadth is decreased in the ratio 4:5. By what ratio is the area of the rectangle increased?

A. 6 : 5
B.5 : 4
C.3 : 2
D.4 : 3



Text Answer


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The correct answer is A (6 : 5).

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