Prabeer (B. COM (H) CA & CS Final) (5484 Points)
02 September 2011
To multiply by 9,try this:
(1) Spread your two hands out and place them on a desk or table in front of you.
(2) To multiply by 3, fold down the 3rd finger from the left. To multiply by 4, it would be the 4th finger and so on.
(3) the answer is 27 ... READ it from the two fingers on the left of the folded down finger and the 7 fingers on the right of it.
This works for anything up to 9x10!
CA Tarun Jagdish
(8893495263)
(153 Points)
Replied 02 September 2011
Thts wonderful.. Nw let me give u one more math trick.. Think of a number between 1 to 9. multiply by 3. Then Add with 3. Then again Multiply by 3. U will get a 2 digit number as answer.. Add up those 2 digits together. EG. If u get 23 add 2 + 3 = 5.
YOU WILL GET THE ANSWER AS 9.
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