12. In the automotive machine manufacturing sector, a component is manufactured. The Economic Order Quantity (EOQ) for the component is 1,500 units. The cost of placing an order is ₹ 100, and the carrying cost per annum is 10%. The cost per unit of component is ₹ 20. Calculate the annual demand for this specific automative component.

The value of $\displaystyle N$ in $\displaystyle N! +$\displaystyle \frac{1}{7!} = \frac{1}{8!} is

A person can go from place 'A' to 'B' by 11 different modes of transport but is allowed to return to 'A' by any mode other than the one earlier. The number of different ways in which the entire journey can be completed is:

If a man travels from place A to B in 10 ways then by how many ways can he come back by another train?

If $\displaystyle \frac{n!}{10(n-1)!} = \frac{(n-1)!}{(n-3)!}$ find 'n'.

Which of the following is a correct statement.

$\displaystyle ^nP_3 = 2 \cdot ^nP_2$. Find $\displaystyle n$.