A ratio equivalent to \(\left( {\frac{{12}}{{16}}} \right.\) × \(\frac{{14}}{{6}}\) × \(\left. {\frac{4}{{21}}} \right)\) is :
1
\(\frac{5}{{15}}\)
2
\(\frac{{12}}{{19}}\)
3
\(\frac{{25}}{{125}}\)
4
\(\frac{8}{{21}}\)
A ratio equivalent to \(\left( {\frac{{12}}{{16}}} \right.\) × \(\frac{{14}}{{6}}\) × \(\left. {\frac{4}{{21}}} \right)\) is :