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WAEC Mathematics 2017 Paper

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Question : 4

Total: 49

The ages of Tunde and Ola are in the ratio 1:2. If the ratio of Ola's age to Musa's age is 4:5, what is the ratio of Tunde's age to Musa's age?

1 : 4
1 : 5
2 : 5
5 : 2

Solution:

Tunde: Ola $\rightarrow$ 1 : 2 ; Ola; Musa $\rightarrow$ 4 : 5

$\;\frac{1}{2}$ x $\;\frac{4}{5}$

= $\;\frac{2}{5}$

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