self Maths Puzzle

Q. Three circles A,B and C touch each other as shown below. The radius of each of the circle A and B is (under root 2 +1)cm, while that of the smaller circle is 1cm. Find the perimeter of the shaded region

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self Other Question

Q. If in a coded language
ABHISHEK = -23
HEMANT = -9
NEHA = 10
Then
ASHU = ?
Q. Find the number of zeros in 27!