she purchase a lamp for Rs. 900 and sell it for Rs. 1500, determine the following

a)rupee markup,
b)markup percentage on cost,
c)markup percentage of selling price

To determine the answers, we need to understand the concepts of rupee markup, markup percentage on cost, and markup percentage of selling price. Let's calculate each of these:

a) Rupee Markup:
The rupee markup is the difference between the selling price and the cost price. In this case, the cost price is Rs. 900, and the selling price is Rs. 1500. Hence, the rupee markup will be:
Rupee Markup = Selling Price - Cost Price
Rupee Markup = Rs. 1500 - Rs. 900
Rupee Markup = Rs. 600

b) Markup Percentage on Cost:
The markup percentage on cost measures the markup as a percentage of the cost price. To calculate this, we need to divide the rupee markup by the cost price and multiply it by 100. Hence, the markup percentage on cost will be:
Markup Percentage on Cost = (Rupee Markup / Cost Price) * 100
Markup Percentage on Cost = (Rs. 600 / Rs. 900) * 100
Markup Percentage on Cost ≈ 66.67%

c) Markup Percentage of Selling Price:
The markup percentage of selling price measures the markup as a percentage of the selling price. To calculate this, we need to divide the rupee markup by the selling price and multiply it by 100. Hence, the markup percentage of the selling price will be:
Markup Percentage of Selling Price = (Rupee Markup / Selling Price) * 100
Markup Percentage of Selling Price = (Rs. 600 / Rs. 1500) * 100
Markup Percentage of Selling Price ≈ 40%

Therefore, the answers are:
a) Rupee Markup = Rs. 600
b) Markup Percentage on Cost ≈ 66.67%
c) Markup Percentage of Selling Price ≈ 40%