\(\rm \left(1-\frac{1}{3}\right)\rm \left(1-\frac{1}{4}\right)\rm \left(1-\frac{1}{5}\right).....\rm \left(1-\frac{1}{99}\right)\rm \left(1-\frac{1}{100}\right)\) is equal to -
1
\(\frac{2}{99}\)
2
\(\frac{1}{25}\)
3
\(\frac{1}{50}\)
4
\(\frac{1}{100}\)