Let S = {(a,b):a,bZ,0a,b18}. The number of elements (x,y) in S such th – InterviewSolution

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1.	Let S = {(a,b):a,bZ,0a,b18}. The number of elements (x,y) in S such that 3x + 4y + 5 is divisible by 19 is : (A) 38(B) 19(C) 18(D) 1
Answer» Let S = {(a,b):a,bZ,0a,b18}. The number of elements (x,y) in S such that 3x + 4y + 5 is divisible by 19 is : (A) 38(B) 19(C) 18(D) 1

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