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Question

The ratio of two numbers is 5:4 and their sum is 54. The greater of the two numbers is

A
36
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B
24
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C
30
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D
None of these
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Solution

The correct option is C 30
Let the number be x and y

From the given data,

x+y=54

x:y=5:4

xy=54

4x=5y

4x5y=0

x+y=54×5

4x5y=0

5x+5y=270

9x=270

x=2709

x=30

30+y=54

y=24

The greatest number is 30

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