A dealer professes to sell his goods at cost price and uses an 880gm weight instead of a kg. What is his percentage of gain?

A dealer professes to sell his goods at cost price and uses an 880gm weight instead of a kg. What is his percentage of gain?


1) 13.13%

2) 13.33%

3) 13.36%

4) 13.63%

Answer: 4

EXP: Gain % = 1000/880 => 1. 1363 => 13.63%