Number puzzle is considered to be one of the unique games in mathematics. These types of games create more interest and involvement to learn mathematics in a very easy manner.

__Systematic Listing__

Number puzzle is considered to be one of
the unique games in mathematics. These types of games create more interest and
involvement to learn mathematics in a very easy manner.

It is very happy to note that most of
the number puzzles contain the basic knowledge of mathematics.

Here is a game of number puzzle with a
systematic rule and with a specific property.

i. Choose any one number

ii. Add the next number to this

iii. Then add 9

iv. Divide by 2

v. And then subtract the assumed number

vi. **Answer
5 (**common for all)

**Let us know**

The above diagram (grid)
shows rows and columns, horizontal squares are called **Rows **vertical squares are called **Columns.**

__Example 1__

__3×3
Sudoku__

The object is to fill all empty squares
so that the numbers 1 to 3 appear once in a row and column.

[**Answer:**
(1 2 3), (1 3 2), (2 1 3), (2 1 3), (3 1 2)]

**Try this**

In how many ways can we
arrange the numbers 1 to 3 in first Row? __6 ways__

__Example 2__

__4×4
Sudoku__

**Try it**

In how many ways can we
arrange the numbers from 1 to 4 in first row? __24 ways__

** **

**Let us know**

5, 3, 2= 15 10 22

9, 2, 4= 18 36 52

8, 6, 3= 48 24 66

5, 4, 5= 20 25 41

therefore 7, 2, 5 = ?

Answer: 14 35 47

**Hint:**

(i) Multiply of 1st and
2nd numbers 7 × 2 = 14

(ii) Multiply of 1st and
3rd numbers 7 × 5 = 35

(iii) Add the 2 products
and subtract the middle number = 14+35=49–2=45

Tags : Information Processing | Term 1 Chapter 6 | 5th Maths , 5th Maths : Term 1 Unit 6 : Information Processing

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5th Maths : Term 1 Unit 6 : Information Processing : Systematic Listing | Information Processing | Term 1 Chapter 6 | 5th Maths

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