MathDB

1

Part of 2015 Junior Regional Olympiad - FBH

Problems(3)

Junior Regional Olympiad - FBH 2015 Grade 6 Problem 1

Source:

10/1/2018
Find two angles which add to 180∘180^{\circ} which difference is 1′1^{'}
anglesgeometry
Junior Regional Olympiad - FBH 2015 Grade 7 Problem 1

Source:

10/1/2018
Every one of the six trucks of construction company drove for 88 hours and they all together spent 720720 litres of oil. How many litres should 99 trucks spend, if every one of them drives for 66 hours?
Drivingtrucks
Junior Regional Olympiad - FBH 2015 Grade 8 Problem 1

Source:

10/1/2018
Father is 4242 years old, and son has 1414 years. In how many years father will be twice as old as his son?
counting years