Latest Others Aptitude Question SOLUTION: For positive integers n, denote by D(n) the number of pairs of di erent adjacent digits in the binary (base two) representation of n. For example, D(3) = D(112) = 0, D(21) = D(1010

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(#M40019353) OTHERS question Keep an EYE

For positive integers n, denote by D(n) the number of pairs of di erent adjacent digits in the binary (base two) representation of n. For example, D(3) = D(112) = 0, D(21) = D(101012) = 4, and D(97) = D(11000012) = 2. For how many positive integers n less than or equal to 97 does D(n) = 2? (A) 16 (B) 20 (C) 26 (D) 30 (E) 35

Asked In Others mohan lal garg (11 years ago)

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