The product of 5% of a positive number and 2% of the same number is 211.6. What is half of that number?
Let number be x.
Given
5% of x * 2% of x = 211.6
i.e 5*2*x*x = 21160000
x^2 = 211600
x = 460
Half of x is asked which is 460/2 = 230.
Option A is the correct answer.
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