if $\sqrt {4036}$ = 64, then the value of $\sqrt {40.36}$ + $\sqrt {0.4036}$ + $\sqrt {0.004036}$ + $\sqrt {0.00004036}$ will be

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if $\sqrt {4036}$ = 64, then the value of $\sqrt {40.36}$ + $\sqrt {0.4036}$ + $\sqrt {0.004036}$ + $\sqrt {0.00004036}$ will be

1. 7.1216
2. 7.0914
3. 7.1104
4. None of the above

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Correct Answer - Option 3 : 7.1104

Calculation:

Given, √4036 = 64

⇒ √40.36 = 6.4

⇒ √0.4036 = 0.64

⇒ √0.004036 = 0.064

⇒ √0.00004036 = 0.0064

Now,

6.4 + 0.64 + 0.064 + 0.0064 = 7.1104