A profit of 12% can be earned by selling an article after offering a discount of ₹ 200.If the cost proce of the article is ₹ 850, then find its marked

Correct Answer - A `(a)` Writing `((200),(r ))=((200),(200-r))`, we have `((100),(0))((200),(50))+((100),(1))((200),(49))+((100),(2))((200),(48))+......+((100),(50))((200),(0))` `=` Coefficient of `x^(50)` in the expansion of `(1+x)^(100)(x+1)^(200)` `=` Coefficient of `x^(50)` in the binomial expansion of `(1+x)^(300)` `=((300),(50))`

Trade discount is calculated before cash discount while calculating discount on purchase or sales.

Correct Answer - `12(2)/(3)%`

Correct Answer - `250` lakhs

Correct Answer - `192`

Correct Answer - `500`

Correct Answer - `23(1)/(3)%`

Correct Answer - `13(1)/(3)%`

Correct Answer - `37(1)/(2)%`

Correct Answer - Cash Flow Operating Activites = ₹ 1,54,800; Net Profit before Tax = ₹ 1,30,000