Evaluate :

\(8x^{2}+5x+3 =0\) using this

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)

0.08% of 120% of 50000 is equal to_____?

What is 35% of 12 kilometer?

The time duration of 1 hour 45 minte  is what % of a day?

5% of a = b then b% of 20 is the same as _______?

If x% of a is the same as y% of b then z% of b will be ___?

A number which , when increase by 16%  becomes 1914. The number is?

When  a no. Is increase by 216 , it becomes 140% of itsself . What is the number?

If 85% of a number is added to 75 , then the result is the number itself . The number is ___?

If \(58 \times\frac{1}{3}\)% of a no. Is subtract from itself we get 640.find \(131\frac{1}{4}\)% the original number___?

126 is what % of 99.