7. Mr. E, an Articled Clerk, was not sure about which items should be considered as intangible assets in PQ Ltd. According to AS-26, which of the following items should not be recognized as intangible assets? (I) Internally generated Goodwill (II) Compact disk in the case of computer software (III) Copyrights (IV) Computer software for computer-controlled machine tools that cannot operate without that specific software, which is an integral part of the related hardware.

Sum of progression $\displaystyle (a+b)$, $\displaystyle (a-b)$, $\displaystyle (a-3b)...n$ term is

Find the sum of first twenty-five terms of A.P. series whose $\displaystyle n^{th}$ term is $\displaystyle \left(n+\frac{2}{5}\right)$

The first and fifth term of an A.P. of $\displaystyle 40$ terms are $\displaystyle -29$ and $\displaystyle -15$ respectively. Find the sum of all positive terms of this A.P

If the common difference of an AP equals to the first term, then the ratio of its $\displaystyle m^{th}$ term and $\displaystyle n^{th}$ term is:

Find the value of $\displaystyle 1+2+3+...+105$

The first and last terms of an arithmetic progression are $\displaystyle 5$ and $\displaystyle 905$. Sum of the terms is $\displaystyle 45,955$. The number of terms is