यदि \(\rm\sqrt{0.08 × 0.8 × a} = 0.8× 0.08× \sqrt b\) है, तो \(\frac{[10^2 × a]}{b}\) का मान ज्ञात कीजिए। 

1
4.3
2
8.5
3
6.4
4
10.2

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