Question : The least number among $\frac{4}{9}, \sqrt{\frac{9}{49}}, 0.45$ and $(0.8)^{2}$:
Option 1: $\frac{4}{9}$
Option 2: $\sqrt{\frac{9}{49}}$
Option 3: $0.45$
Option 4: $(0.8)^{2}$

Question

Question : The least number among $\frac{4}{9}, \sqrt{\frac{9}{49}}, 0.45$ and $(0.8)^{2}$:

Option 1: $\frac{4}{9}$

Option 2: $\sqrt{\frac{9}{49}}$

Option 3: $0.45$

Option 4: $(0.8)^{2}$

Team Careers360 · Accepted Answer

Correct Answer: $\sqrt{\frac{9}{49}}$

Solution : Decimal value of given numbers:
$ ⇒ \frac{4}{9} = 0.44$
$ ⇒ \sqrt{\frac{9}{49}} = \frac{3}{7} = 0.43$
$ ⇒ 0.45$
$ ⇒ (0.8)^{2} = 0.64$
By comparing these values, we get:
The least number = $\sqrt{\frac{9}{49}}$
Hence, the correct answer is $\sqrt{\frac{9}{49}}$.

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Question : The least number among 49,949,0.45 and (0.8)2:Option 1: 49Option 2: 949Option 3: 0.45Option 4: (0.8)2

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Question : The least number among $\frac{4}{9}, \sqrt{\frac{9}{49}}, 0.45$ and $(0.8)^{2}$ :
Option 1: $\frac{4}{9}$
Option 2: $\sqrt{\frac{9}{49}}$
Option 3: $0.45$
Option 4: $(0.8)^{2}$