Suppose the Production Function Can Be Expressed As $Q = 2 \sqrt { K L }$

Multiple Choice

Suppose the production function can be expressed as $Q = 2 \sqrt { K L }$ . Which of the following combinations of capital and labor $( K , L )$ lie on the same isoquant?

A) (5, 6) and (4, 5)
B) (3, 2) and (7, 1)
C) (4, 3) and (2, 6)
D) (10, 3) and (15, 4)