Anjima Santhosh
8 years ago

Let x1 , x2 , . . . , x100 be positive integers such that xi + xi+1 = k for all i, 1 ≤ i ≤ 99, where k is a constant. If x10 = 1, what is the value of x1 ?

A. k

B. k-1

C. k+1

D. 1

Answer: Option B


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