Trick 1: Number below 10
Step1: Think of a number below 10.
Step2: Double the number you have thought.
Step3: Add 6 with the getting result.
Step4: Halve the answer, that is divide it by 2.
Step5: Take away the number you have thought from the answer, that is, subtract the answer from the number you have thought.
Answer: 3
Trick 2: Any Number
Step1: Think of any number.
Step2: Subtract the number you have thought with 1.
Step3: Multiply the result with 3.
Step4: Add 12 to the result.
Step5: Divide the answer by 3.
Step6: Add 5 to the answer.
Step7: Take away the number you have thought from the answer, that is, subtract the answer from the number you have thought.
Answer: 8
Trick 3: Any Number
Step1: Think of any number.
Step2: Multiply the number you have thought with 3.
Step3: Add 45 with the result.
Step4: Double the result.
Step5: Divide the answer by 6.
Step6: Take away the number you have thought from the answer, that is, subtract the answer from the number you have thought.
Answer: 15
Trick 4: Same 3-Digit Number
Step1: Think of any 3-digit number, but each of the digits must be the same as.
Example: 333, 666.
Step2: Add up the digits.
Step3: Divide the 3-digit number with the digits added up.
Answer: 37
Trick 5: 2 Single-Digit Numbers
Step1: Think of 2 single-digit numbers.
Step2: Take any one of the numbers among them and double it.
Step3: Add 5 with the result.
Step4: Multiply the result with 5.
Step5: Add the second number to the answer.
Step6: Subtract the answer with 4.
Step7: Subtract the answer again with 21.
Answer: 2 Single-Digit Numbers
Trick 6: 1, 2, 4, 5, 7, 8
Step1: Choose a number from 1 to 6.
Step2: Multiply the number with 9.
Step3: Multiply the result with 111.
Step4: Multiply the result by 1001.
Step5: Divide the answer by 7.
Answer: All the above numbers will be present.
Trick 7: 1089
Step1: Think of a 3-digit number.
Step2: Arrange the number in descending order.
Step3: Reverse the number and subtract it with the result.
Step4: Remember it and reverse the answer mentally.
Step5: Add it to the result you have got.
Answer: 1089
Trick 8: x7x11x13
Step1: Think of a 3-digit number.
Step2: Multiply it with x7x11x13.
Example: Number: 456
Answer: 456456
Trick 9: x3x7x13x37
Step1: Think of a 2-digit number.
Step2: Multiply it with x3x7x13x37.
Example: Number: 45
Answer: 454545
Trick 10: 9091
Step1:Think of a 5-digit number.
Step2:Multiply it with 11.
Step3: Multiply it with 9091.
Example: Number: 12345
Answer:1234512345
Trick 11: 2’s trick
Step1: Think of a number.
Step2: Multiply it by 3.
Step3: Add 6 to the result you got.
Step4: Divide it by 3.
Step5: Subtract it from the first number used.
Answer:2
Trick 12: Any Number
Step1: Think of any number.
Step2: Double the number.
Step3: Add 9 to the result.
Step4: Subtract 3 from the result.
Step5: Divide the result by 2.
Step6: Subtract the number from the first number started with.
Answer: 3
Trick 13: Any Three-Digit Number
Step1: Add 7 to it.
Step2: Multiply the number by 2.
Step3: Subtract 4 from the result.
Step4: Divide the result by 2.
Step5: Subtract it from the number started with.
Answer: 5
Trick 14: Phone Number Trick
Step1: Grab a calculator (You won’t be able to do this one in your head) .
Step2: Key in the first three digits of your phone number (NOT the area code-if your number is 01-123-4567, the first 3 digits are 123).
Step3: Multiply by 80.
Step4: Add 1.
Step5: Multiply by 250.
Step6: Add the last 3 digits of your phone number to a 0 at the end as one number
step7: Repeat step 6
step8: Subtract 250
step9: Divide the number by 20
Answer: The 3 digits of your phone number
The result on your exact phone number!!
Trick 15: Missing Digit Trick
Step1: Choose a large number of six or seven digits.
Step2: Take the sum of digits.
Step3: Subtract the sum of digits from any number chosen.
Step4: Mix up the digits of the resultant number.
Step5: Add 25 to it.
Step6: Cross out any one digit except zero.
step7: Tell the sum of the digits. Subtract the sum of the digits from 25.
Answer: In order to find out the missing digit, subtract the sum of digits from 25. The difference is the missing digit.
