Trusted since 2008
Chat on WhatsApp
   Get premium membership and access questions with answers, video lessons as well as revision papers.

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


q2519320191138.png

The correct answer is A (6 : 5).

Next: A bus covers a distance of 240 km everyday. It consumes 1L of diesel for every 4 km. Diesel costs sh 43.50 per litre. How much money does the bus spent on diesel in one week?
Previous: The table below shows postal charges for sending registered letters and parcels up to a maximum of 7g.

View all KCPE Mathematics Video Lessons | View All Lessons

More Video Lessons


View all video lessons  
Kenyaplex Learning