Trick 01: x7x11x13
Step 1: Think of a 3 digit number.
Step 2: Multiply it with x7x11x13.
Ex: Number: 456, Answer: 456456
Trick 02: 9091
Step 1: Think of a 5 digit number.
Step 2: Multiply it with 11.
Step 3: Multiply it with 9091.
Ex: Number: 12345, Answer: 1234512345
Trick 03: Same 3 Digit Number
Step 1: Think of any 3 digit number, but each of the digits must be the same as. Ex: 333, 666.
Step 2: Add up the digits.
Step 3: Divide the 3 digit number with the digits added up.
Answer: 37
Trick 04: 1, 2, 4, 5, 7, 8
Step 1: Choose a number from 1 to 6.
Step 2: Multiply the number with 9.
Step 3: Multiply the result with 111.
Step 4: Multiply the result by 1001.
Step 5: Divide the answer by 7.
Answer: All the above numbers will be present.
Trick 05: Any Number
Step 1: Think of any number.
Step 2: Multiply the number you have thought with 3.
Step 3: Add 45 with the result.
Step 4: Double the result.
Step 5: Divide the answer by 6.
Step 6: Take away the number you have thought from the answer, that is,
subtract the answer from the number you have thought.
Answer: 15