FIND THE ODD ONE OUT

Indicate the number of the figure which is the odd one out.

SOLUTION

Solution: 4

All figures, except figure 4, can rotate and overlap!

SERIES OF SQUARE ROOTS

SOLUTION

You can solve this exercise by calculating the square roots sequentially from right to left. In other words, starting from the innermost square root (right) we continue to solve up to the outermost square root (left), as indicated in the following:

FIND THE MISSING NUMBER

SOLUTION

Solution: 5. The numbers on the right side of the circle are divided by 2, 3, 4 and 5, respectively, and the results are entered in opposite sectors of the circle.

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FIGURE TO BE CORRECTED

Find the odd one out! Indicate the number of the figure to be corrected to complete the series correctly.

SOLUTION

Figure 4 must be corrected and turned downwards. In this way, passing from one figure to another there is a 90° counter-clockwise rotation of the figures (as indicated below).

COMPLETE THE SERIES

Which of the four figures above would you insert instead of the “?” to complete the series?

Solution

Solution: figure n. 3.

Each row and each column of the series must contain 3 different geometric shapes each with a different symbol inside!

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