A dishonest dealer professes to sell his goods at cost price but still gets 25% profit by using a false weight. what weight does he substitute for a kilogram?

Mathematics
1

a dishonest dealer professes to sell his goods at cost price but still gets 25% profit by using a false weight. what weight does he substitute for a kilogram?

2

a dishonest dealer professes to sell his goods at cost price but still gets 25% profit by using a false weight. what weight does he substitute for a kilogram?

Answer:

25 = [(1000 - M)/M] × 100

⇒ M= 4000 - 4M

⇒ M = 800

Answer=800