&gt; x &lt;- list&#40;a = list&#40;10, 12, 14&#41;, b = c&#40;3.14, 2.81&#41;&#41;
A. x[[c(2, 1)]]
B. x[[c(1, 2)]]
C. x[[c(2, 1,1)]]
D. All of the mentioned
Answer:A
&gt; x &lt;- list&#40;a = list&#40;10, 12, 14&#41;, b = c&#40;3.14, 2.81&#41;&#41;
A. x[[c(2, 1)]] B. x[[c(1, 2)]] C. x[[c(2, 1,1)]] D. All of the mentioned
Explanation:[ operator always returns an object of the same class as the original. 9. What would be the output of the following code ?