VEDIC MATHEMATICS
Some few math sums,
Add 47*43
there is a trick in this.
i.e.If  the second DIGIT'S sum is 10 AND THE FIRST DIGITS are SAME,then multiply 7 and 3 and
also multiply 4 and the NEXT NUMBER(5)i.e.4*5 =20
7*3=21
THE ANSWER IS 2021
You can check this!

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