CEED 2020

0/41

Q1.Two views of a solid object are shown. Count the number of surfaces.

Q3.X1 is a 3D form generated from the shape X, using certain 3D operations. It has 14 surfaces in total. The same operations are carried out on shape Y. How many surfaces would the resulting 3D form have?

CEED2020Q2·nat·Hard169 attempts

While Lilo was playing with a toy tractor, she rolled it over an ink drop. The image on the right shows the ink drop and the marks on the floor left by tractor's wheels. The diameter of the back wheel of the tractor is 1.5 times that of its front wheel. What is the number of revolutions made by the front wheel between the ink drop and the last mark?

Your answer

Keyboards off — use the numpad, just like on exam day.

CEED 2020

0/41

Q1.Two views of a solid object are shown. Count the number of surfaces.

CEED2020Q2·nat·Hard169 attempts

While Lilo was playing with a toy tractor, she rolled it over an ink drop. The image on the right shows the ink drop and the marks on the floor left by tractor's wheels. The diameter of the back wheel of the tractor is 1.5 times that of its front wheel. What is the number of revolutions made by the front wheel between the ink drop and the last mark?

Your answer

Keyboards off — use the numpad, just like on exam day.