Study the given pie chart and answer the question that follows:
The pie chart shows the break-up of the total number of employees of a company in 2019, in five departments A, B, C, D and E.
Total number of employees = 4500.
If 30% of the employees in department B are transferred to department D. then the difference between the number of employees in department C and D is x, which lies between:
The marked price of an article is ₹4,450. A shopkeeper allows a discount of 10% on it and gets a profit of 20%. The cost price (in ₹) of the article is: