Question

The $f(x)=\{\begin{array}{cc}\frac{1-\sqrt{2}\sin x}{\pi -4x},& x\ne \frac{\pi }{4}\\ \frac{4a+1}{4},& x=\frac{\pi }{4}\end{array}$ name of iso-octane is

• A. 2, 2-dimethyl pentane
• B. 2, 3-dimethyl pentane
• C. 2, 3, 3-trimethyl pentane
• D. 2, 2, 4-trimethyl pentane

Answer 1

Answer: (D)

$=0.\text{9}\times \text{1}00=\text{9}0$