Solutions to mental nuts

The pole is 36 m long

The circumference of the trunk is 44.42 cm

The roof area is 142 square meters. / The amount of water in the reservoir is 2,500 liters

The rope was 50 cm long. / The thickness of the rope is the same as at the beginning.

The height of the cloud is 612 meters

The larger weight weighs 3 kilograms and the smaller one 2