Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Can you count the number of squares in the figure below?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

What does this rebus mean?

O
N
C
E
TIME

Can you count the number of blocks in the picture below?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

The day after tomorrow will be three days before Tuesday. Can you find out what is today?