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√(6400/22500) = ?

[A].	101000	[B].	5?41
[C].	8?15	[D].	8?13
[E].	16?15

Answer: Option C

saqib said:

but how option c?

Faheem Habib Ghouri said:

√(6400/22500) this redical is on both the terms . So we can divide both terms both zeros canceled to each other remaining is √(64/225) . under root of 64 is 8 and under root of 225 is 15 . so √(64/225) = 8/15

Haim khan said:

yes yes u are ri8.... thanx fahim :)

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