1. If 6 tractors can plough 8 hectares of land in 8 days, how many tractors are required to plough 80 hectares of land in 80 days?

2. In which year did the Mathematical Olympiad begin?

Solution

1) 6

Explanation: Since the ratio of hectares of land and days are 1:1 in both the cases, 6 tractors are enough to plough 80 hectares of land in 80 days.

2) In 1894. It was initiated to honour the Physicist B.R. Eotvos (1848-1919), the founder of Mathematical and Physical Society of Hungary.