Archaeological survey indicates that the odd of occurring earthquake in Greater Himalayan region due to Tehri Dam are $5$ to $7$ . What is the probability of earthquake in Greater Himalayan region?

\frac{11}{12}

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\frac{5}{7}

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\frac{7}{12}

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\frac{5}{12}

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Solution

The correct option is D $\frac{5}{12}$
The odd of occurring earthquake $= 5$ to $7$
$∴$ Total probability $= 5 + 7$
$= 12$

Probability of earthquake $= \frac{5}{12}$

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How much more destructive energy does an earthquake of magnitude 7 has in comparison to an earthquake of magnitude 5?

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