PICTURE PUZZLES

Front

How many times does the digit 5 occur in the numbers from 1 to 100?

Back

The digit 5 occurs 20 times in the numbers from 1 to 100.

Front

How many cubes are there in a figure with 5 visible cubes?

Back

There are 5 cubes altogether.

Front

Which pins must be knocked over to score exactly 100 points?

Back

The pins 13, 39, and 48 must be knocked over to score exactly 100 points.

Front

What mathematical symbol can be put between 5 and 9 to get a number bigger than 5 and smaller than 9?

Back

None of these symbols can be used to satisfy the condition.

Front

How many lines are there in a figure with 11 visible lines?

Back

There are 11 lines in the figure.

Front

What is a picture puzzle?

Back

A picture puzzle is a game or problem that involves rearranging pieces to form a complete image.

Front

What is the importance of counting in picture puzzles?

Back

Counting helps in determining the number of pieces and understanding the structure of the puzzle.

Front

What is a cube in geometry?

Back

A cube is a three-dimensional shape with six equal square faces.

Front

How do you calculate the total number of visible cubes in a stacked arrangement?

Back

Count each visible face of the cubes and ensure no cubes are hidden behind others.

Front

What is the significance of scoring in games involving pins?

Back

Scoring helps determine the winner and adds a competitive element to the game.