Question

$\sqrt{0.1111...\times0.4444...}$നു തുല്യമായത് ഏത്?

• A. 4/81
• B. 0.444...
• C. 0.222...
• D. 4/9

Answer 1

Answer:

C. 0.222...

$\sqrt{0.111...\times0.444...}$

$=\sqrt{{\frac19}\times\frac49}$

$=\sqrt{\frac4{81}}$

$=\frac29=0.222....$

$\mathrm{0.11111.....}=\frac{1}{9}$

$\mathrm{0.444........}=\frac{4}{9}$