Correct option is A
Given:
A dealer sold three-fifty of his goods at a gain of 25%
the remaining at cost price.
Formula Used:
Gain% =
Solution:
Let the total cost price (C.P) be 100 unit.
For goods: Sold at a 25% gain, so
C.P. for = × 100 = 60
S.P = 60 + 25% of 60 = 60 + 15 = 75
For goods: Sold at cost price, so;
S.P. = ×100 = 40
Total Selling price 75 + 40 = 115
Total cost price = 100
Overall gain 115 - 100 = 15
Gain percentage = × 100 = 15%