shaz04u
@shaz04u (10)
India • Age 40
Joined myLot 18 years ago
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shaz04u
@shaz04u (10)
• India
3 Nov 06
Find sum of digits of D.
Let
A= 19991999
B = sum of digits of A
C = sum of digits of B
D = sum of digits of C
(HINT : A = B = C = D (mod 9))
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