6. Mr. D, an Articled Clerk, was performing audit procedures related to Reserves and Surplus in PQ Ltd. tell him that which statement are correct in respect of Reserves and Surplus? (I) Reserves are the amounts appropriated out of profits for commitment. (II) Securities premium is a capital reserve. (III) A debit balance in the statement of profit and loss account shall be shown as a negative figure under the head 'surplus'. (IV) All reserves can be used to augment the working capital of the Company.

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