Question

10:99::9:? This is a mathematical ratio question

Answer 1

Answer:

99×9/10 = 891/10 = 89.1

Answer 2

Answer:

89.1

Step-by-step explanation:

10:99::9:_

Let's assume the number is x

10:99::9:x

Product of extremes=product of means

extremes= 10, x                                  means= 99, 9

10x= 99*9

10x= 891

x= 89.1

Checking:

10:99::9:89.1

10:99::90:891

10:99=10:99

Hope it helps you :)

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