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Hi guys! i just want to entertain you for a while…here’s a trick that i saw in the internet and had shown it in our math clas and i want to share it with you..!

Start:

Teacher tells the student(s) to do the following:
Step 1: Mentally pick a single digit between 1 and 9 inclusive example: 7
Step 2: Mentally double your number 14
Step 3: Mentally add 3 to your number 17
Step 4: Mentally multiply your number by 5 85
Step 5: Mentally pick a single digit between 1 and 9 inclusive 2
(Note: this new number can the same as the first one)
Step 6: Add the last number from step 6 to the number in step 5: 87
Step 7: Teacher asks a student what their last answer from step 6 is.

tell me the answer and i’ll tell you what are the numbers you picked!