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We can write it as 10A + B + 10C + D = 100A + 10A + 1Adaretodream wrote:AB + CD = AAA, where AB and CD are two-digit numbers and AAA is a three digit number; A, B, C, and D are distinct positive integers. In the addition problem above, what is the value of C?
(A) 1
(B) 3
(C) 7
(D) 9
(E) Cannot be determined
A =1 (Because the 100s digit of of sum of two 2 digit numbers cannot be anything else than 1)daretodream wrote:AB + CD = AAA, where AB and CD are two-digit numbers and AAA is a three digit number; A, B, C, and D are distinct positive integers. In the addition problem above, what is the value of C?
(A) 1
(B) 3
(C) 7
(D) 9
(E) Cannot be determined
AB + CD = AAAdaretodream wrote:AB + CD = AAA, where AB and CD are two-digit numbers and AAA is a three digit number; A, B, C, and D are distinct positive integers. In the addition problem above, what is the value of C?
(A) 1
(B) 3
(C) 7
(D) 9
(E) Cannot be determined
Hey ajith,ajith wrote:A =1 (Because the 100s digit of of sum of two 2 digit numbers cannot be anything else than 1)daretodream wrote:AB + CD = AAA, where AB and CD are two-digit numbers and AAA is a three digit number; A, B, C, and D are distinct positive integers. In the addition problem above, what is the value of C?
(A) 1
(B) 3
(C) 7
(D) 9
(E) Cannot be determined
B+D = 11 ( Since the sum is 111)
C = 9 ( A is 1 , C has to be 9)
