If a 22 $k \Omega$ Resistor, 10 $\mathrm { k } \Omega$

Multiple Choice

If a 2.2 $k \Omega$ resistor, 10 $\mathrm { k } \Omega$ resistor and 1.2 $\mathrm { k } \Omega$ resistor are connected in parallel, the total resistance equals______

A) 721 $\Omega$
B) 13.4 $\mathrm { k } \Omega$
C) 1.2 $\mathrm { k } \Omega$
D) 2.27 $\mathrm { k } \Omega$