Question

The cost of 10 pens is rupees 500. 2 pens are sold at rupees 40 each. At what price should the remaining pens be sold so as to gain 20% on the whole.

Answer 1

Answer:

Answer:Rs 504Step-by-step explanation:cp of 10 pen =500cp of 1 pen=500/10 = 50sp of 1 pen=40sp of 2 pen =2*40 ... rupees 40 inch at what price should the remaining 10th be sold to as to gain 20% on the whole ... to get 20 % profit by the remaining pen sp=? sp = cp + p% ... so the remaining pen shold be sold at 75 each.