Shown below is the view and cross-section of a seat belt used in aeroplanes. Part X has four different components P, Q, R, and S. How many springs are required to be fixed on the part S to make the seat belt work?
What number will replace the question mark?
Figure P is the image of a complete bicycle. If parts can be shared between two or more bicycles and flipping of Figure P is allowed, how many complete bicycles are there in Figure Q?
How many unique shapes are there in the image below?
A "group of letters" has a few letters flipped on vertical axis. The mirror image of this "group of letters" is shown below. What is the total number of flipped letters in the group?
The two objects on the left have a height of 1 cm and sides of 4 cm. The yellow object on the right has a total height of 5 cm. The cylindrical base of the yellow object has a diameter of 6 cm and a height of 1 cm. The two objects on the left are to be stacked on the yellow object on the right. After all the objects are stacked together, how many outer surfaces will the resulting structure have?
