The algebraic identity in List-I and List-II are given below. Match List-I with List-II for correct relation between them.

List-I	List-II
(A) $(a+b)^2$	(I) $a^2 + b^2 - 2ab$
(B) $(a-b)^2$	(II) $a^2 + b^2 + 2ab$
(C) $(a+b)^3$	(III) $a^3 - b^3 - 3ab(a-b)$
(D) $(a-b)^3$	(IV) $a^3 + b^3 + 3ab(a+b)$

How many terms are there in the Arithmetic Progression given below?

7, 13, 19, ..., 205

If * is an operation such that a * b = 3a - 4b, find the value of 3*4

Number of applications received for admission in B.A. are :

What is the value of $\left(1-\frac{1}{n}\right)+\left(1-\frac{2}{n}\right)+\left(1-\frac{3}{n}\right)+\cdots$ upto n terms?

Difference in the number of applications received for admission in B.Com. and B.Sc. is :

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