Asif purchased a radio from a store and sold it to Rahim and made a profit of 20%. After few months, Rahim sold the same ratio to Fahad and incurred a loss of 15% . If Fahad bought the ratio for Tk. 510, What was the original price of the ratio?
ক
425
খ
450
গ
475
ঘ
None of these
সঠিক উত্তর: None of these