The fifth term of an Arithmetic Progression is 20 and the twelfth term is 48. What is the common difference?

The 21st term of an Arithmetic Progression, whose 11th term is 38 and 16th term is 73, will be:

From the given series, which are in Arithmetic Progression?

A. 7, 14, 21, 28, …

B. 9, 17, 28, 40, ...

C. 3, 8, 13, 18, …

D. 1, –1, –3, -5, …

Choose the correct answer from the options given below:

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

If W means '$\div$' X means '+', Y means '$-$' and Z means '$\times$' then $28Z3Y4X12W6= ?$

It is observed that in each case, every term except the first term bears a constant ratio to the term immediately preceding it. Such sequences are called:

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: