Which of the following series of numbers is/are in Arithmetic Progression?

A. 6, 12, 18, 24, ...

B. 0, –2, –4, –6, ...

C. 4, 8, 12, 16, ...

D. 23, 20, 16, ...

Choose the correct answer from the options given below:

If : $a + b + c = 14$ and $a^2 + b^2 + c^2 = 96$, then $(ab + bc + ca)$ is

Which of the following list of numbers is/are an Arithmetic Progression?

(A) 6, 12, 18, 24…

(B) 1, 3, 5, 7…

(C) -3, 3, -3, 3…

(D) 21, 18, 15…

Choose the correct answer from the options given below:

The 10th term of the A.P. 1, 5, 9, 13, ..., is :

If the product of n positive numbers is $n^n$, then what is the minimum value of their average for n = 6?

Determine the Arithmetic Progression whose third term is 5 and the seventh term is 9.

If $\frac{x}{(b-c)(b+c-2a)} = \frac{y}{(c-a)(c+a-2b)} = \frac{z}{(a-b)(a+b-2c)}$ then value of $x + y + z$ is: