Find the cost price, if : S.P. is ₹200 and loss is ₹50.
Calculate the cost price
Given,
S.P.=₹200
loss=₹50
Let cost price be denoted as CP
Then, cost price, CP=SP-loss
⇒CP=200-50⇒CP=150
Therefore, the cost price is ₹150
Mary bought 40 pens and sold them at ₹8 each. If the total cost price is ₹200, then find the profit made or loss incurred in the transaction.