A ferry can carry 30 buses or 48 cars at a time. If there are 20 buses on the ferry, how many cars can be loaded onto it?

Question: A ferry can carry 30 buses or 48 cars at a time. If there are 20 buses on the ferry, how many cars can be loaded onto it?Solution:Here,30 buses = 48 cars∴ 1 bus = 48/30 cars∴ 20 buses = (48 × 20)/30 cars = 32 cars∴ Required number of cars = 48 - 32 = 16 cars