The sum of two positive numbers is $100$. The probability that their product is greater than $1000$ is
The sum of two positive numbers is $100$. The probability that their product is greater than $1000$ is
- A
$\frac{7}{9}$
- B
$\frac{7}{{10}}$
- C
$\frac{2}{5}$
- D
None of these
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- [IIT 1971]
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