Question 51

The simplified value of 

$$\sqrt{\frac{1.21\times0.9}{1.1\times0.11}}$$ is

Solution

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Expression : $$\sqrt{\frac{1.21\times0.9}{1.1\times0.11}}$$

= $$\sqrt{\frac{1.1\times1.1\times0.9}{1.1\times0.11}}$$

= $$\sqrt{\frac{11\times11\times9}{11\times11}}$$

= $$\sqrt9=3$$

=> Ans - (B)

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