M A T H S M I N D S

How many planets in the solar system?

Step 1:

Ask your friend to write any number below 10

Step 2:

Ask him to multiply with 2

Step 3:

Ask him to multiply with 5

Step 4:

Ask him to add 17

Step 5:

Ask him to subtract 8

Step 6:

Ask him to cancel the tens place, and ask him to take it as the number of plants in the solar system

Secret: Always you get 9 as the first number

	Step 1:	Let the friends number be 8
	Step 2:	8 x 2 = 16
	Step 3:	16 x 5 = 80
	Step 4:	80 + 17 = 97
	Step 5:	97 – 8 = 89
	Step 6:	89 = 9
	Hence the planets in the solar system = 9

Algebraic Explanation:

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