Question

Which is the smallest fraction that must be subtracted from the square root of 5 4 9 so that the resulting number is a positive whole number?

Answer 1

Question says that which is the smallest fraction that must be subtracted from the square root of 5 4 9 so that the resulting number is a positive whole number.

Given choices are missing but still we can do this problem.

square root of 549 is approx 23.4307490277

That means nearest positive square root value is 23.

Square of 23 is 529.

Difference between 549 and 529 is

549-529=20

Hence required  smallest fraction is 20 or you can also write 20/1 in fraction form.