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\({\sqrt\frac{?} {3136} \space = \frac{1} {2}\space}\space\) Find the value of the question mark-
1. 56
2. 784
3. 1568
4. 28

1 Answer

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Correct Answer - Option 2 : 784

Given:

\({√\frac{?} {3136} \space = \frac{1} {2}\space}\space\)

Calculation:

Let the missing number be x

Squaring both sides we get,

⇒ (√x/3136)2 = (1/2)2

⇒ x/3136 = 1/4

⇒ x = (3136/4)

⇒ x = 784

∴ The required value is 784

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