passpadi

2019

Mathematics

POST UTME

A basket contains green, black and blue balls in the ratio 5:2:1. If there are 10 blue balls, find the corresponding new ratio when 10 green and 10 black balls are removed from the basket.


A.

1:1:1

B.

4:2:1

C.

5:1:1

D.

4:1:1

Correct Answer: 4:1:1

Explanation

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