Ask your friend to guess a number between 1 to 9....

Ask him/ her to following calculation....

Step 1: Multiply the guessed number by 2

Step 2: Add 2 to the result

Step 3: Multiply the result by 5

Step 4: Add 5 to the result

Step 5: Multiply the result by 10

Step 6: Add 10 to the result

Ask the result...

The last 2 digits of result will be 60....

Subtract 1 from the first digit and that will be the number guessed by your friend...

Example..: let the guessed number is 3...

Then

3*2=6; 6+2=8; 8*5=40; 40+5=45; 45*10=450; 450+10=460;

Last 2 digit is 60...

first digit is 4 therefore guessed number is 4-1=3

Try it....Have fun...

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Ask him/ her to following calculation....

Step 1: Multiply the guessed number by 2

Step 2: Add 2 to the result

Step 3: Multiply the result by 5

Step 4: Add 5 to the result

Step 5: Multiply the result by 10

Step 6: Add 10 to the result

Ask the result...

The last 2 digits of result will be 60....

Subtract 1 from the first digit and that will be the number guessed by your friend...

Example..: let the guessed number is 3...

Then

3*2=6; 6+2=8; 8*5=40; 40+5=45; 45*10=450; 450+10=460;

Last 2 digit is 60...

first digit is 4 therefore guessed number is 4-1=3

Try it....Have fun...

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