Pens are bought at 5 for ₹ 4 and sold at 4 for ₹ 5. Find the gain per cent.
55%
45.26%
56.26%
60%
Correct Option: C
Let the number of pens bought = 5 x 4 = 20 Then, CP = (4/5) x 20 = ₹ 16 and SP = (5/4) x 20 = ₹ 25 ∴ Gain = 25 - 16 = ₹ 9 Gain % = (9/16) x 100% = 56.25%
