10 Brain Storming Mental Maths Trick:
Trick 1: Number below 10
Step1: Take any digit below 10.
Step2: Multiply your number by 2.
Step3: Add 6 to your multiplied number.
Step4: Divide the digit by 2.
Step5: Subtract the first number you have thought from the latest number you have come with.
Trick 2: Any Number
Step1: Take any number.
Step2: Subtract 1 from this number.
Step3: Multiply your answer with the number 3.
Step4: Add 12 to the number.
Step5: Divide the result by 3.
Step6: Add another 5 to the equation.
Step7: Deduce the first number you have thought from the last solution.
The Answer will be Number 8.
Trick 3: Any Number
Step1: Take any number.
Step2: Multiply this figure by 3.
Step3: Add 45 to the solution.
Step4: Multiply the number by 2.
Step5: Divide the result by 6.
Step6: Minus the first number you have come up with with the last number.
The Answer will be Number 15.
Trick 4: Same 3 Digit Number
Step1: Take any 3-digit number, but make sure that all the digits are similar. Ex. 111 or 222.
Step2: Add the digits together.
Step3: Divide your 3-digit number with the added digits.
The Answer will be 37.
Trick 5: 2 Single Digit Numbers
Step1: Take any 2 single digit numerals.
Step2: Choose from any one of the numbers and multiply it by 2.
Step3: Add 5 to the solution.
Step4: Afterwards, multiply it by 5.
Step5: Add your other single-digit number to the result.
Step6: Deduce 4 from the solution.
Step7: Minus another 21 from the result.
The Answer will be the two single-digit numbers you have first thought of.
Trick 6: 1, 2, 4, 5, 7, 8
Step1: Choose any digit from number 1 to 6.
Step2: Multiply your number with 9.
Step3: Multiply the answer with 111.
Step4: Multiply the last result with 1001.
Step5: Divide the solution with the number 7.
The Answer will contain all the following numbers: 1, 2, 4, 5, 7, 8
Trick 7: 1089
Step1: Think of any 3-digit number.
Step2: Arrange the numbers in a descending manner.
Step3: Arrange the numbers in ascending order and subtract it with the answer.
Step4: Keep your answer in mind, then reverse the numbers mentally.
Step5: Add this number to your answer.
The answer will be 1089.
Trick 8: *7*11*13
Step1: Take any 3-digit numeral.
Step2: Multiply it with 7, then by 11, then by 16.
The Answer will be a repetition of your 3-digit numeral. (For example, your number is 123. The answer will be 123123.)
Trick 9: *3*7*13*37
Step1: Take any 2-digit numeral.
Step2: Multiply it by 3, then by 7, then by 13, and lastly, by 37.
The Answer will be number in three successions. (For example, your number is 23. The answer will be 232323.)
Trick 10: 9091
Step1: Take any 5-digit number.
Step2: Multiply this number with 11.
Step3: Multiply the answer with 9091.
The answer will be your 5-digit number in repetition. (For example, your number is 33221. The answer will be 3322133221.)