Primary 6 Problem Sums/Word Problems - Try FREE

Score :
(Single Attempt)

Question


The number of buses travelling on route A to the number of buses travelling on route B is in the ratio 1:3.

The number of buses on route A was increased by 80%.

(a) By what percentage must the number of buses on route B be decreased so that the same number of buses run on both routes?

(b) If the number of buses on route A increased by 500% from the original amount instead, by what percentage must the number of buses on route B be increased so that there are 20% more buses on route B than on route A?

 

 

Notes to students:

  1. If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12

 

The correct answer is : 40,140
(a)____%, (b)_____%