Math Magic / Phone Number / Missing Digit / Funny Tricks

Math Magic / Phone Number / Missing Digit / Funny Tricks

This ia a simple math magic. Here involved few maths tricks to play. You can play these number tricks as instructed, with your parents or friends and prove your talent to them. Have fun with maths.

Trick 1: Phone Number trick

1. Grab a calculator (You wont be able to do this one in your head) .
2. Key in the first three digits of your phone number (NOT the area code-if your number is 01-123-4567, the 1st 3 digits are 123).
3. Multiply by 80.
4. Add 1.
5. Multiply by 250.
6. Add the last 3 digits of your phone number with a 0 at the end as one number
7. Repeat step 6
8. Subtract 250
9. Divide number by 20

Answer: The 3 digits of your phone number

Trick 2: Missing digit Trick

1. Choose a large number of six or seven digits.
2. Take the sum of digits.
3. Subtract sum of digits from any number chosen.
4. Mix up the digits of resulting number.
5. Add 25 to it.
6. Cross out any one digit except zero.
7. Tell the sum of the digits. Subtract the sum of the digits from 25.

Answer: Inorder to find out the missing digit, subtract the sum of digits from 25. The difference is the missing digit.