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### Primary 6 Problem Sums/Word Problems - Try FREE Score :
(Single Attempt)

#### Question

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PSLE A* 2020 1-1 Tuition By Mr SingaporeMathGuru Results Guaranteed!* 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)_____% 