Math Hacking Tricks - Random Number Multiplication with 9 | Javainhand

Hello Friends,

In this Math Hacking Tricks, We have discussed the Random Number Multiplication with 9,99,999,9999  Tricks. Takes an example for better understanding.

Random Number Multiplication with 9 Example

Example 1 - 9999 * 1234?

Solution:-

As you see that we have two values for multiplication first is the multiplicand(9999) and the second is the multiplier (1234).

Step 1:-Subtract 1 in the multiplier (1234)=1233.

Step 2:-Add 1 with the last digits of the multiplicand(9999)=99910.

Step 3:-With New Value 99910, subtract with the multiplier (1234)=
99910-1234=8766.

For Understand Subtraction the below screenshot will help you.

Now 12338766 is your Answer.

Example 2 - 99999 * 56238?

Solution:-

As you see that we have two values for multiplication first is the multiplicand(99999) and the second is the multiplier(56238).

Step 1:-Subtract 1 in the multiplier(56238)=56237

Step 2:-Add 1 with the last digits of the multiplicand(99999)=999910

Step 3:-With New Value 999910 and subtract with the multiplier(56238)=
999910-56238=43762

For Understand Subtraction the below screenshot will help you.

Now 5623743762 is your Answer.

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