For an integer b ≥ 2 and a set S ⊂ {0,…, b 1}, we define the Kempner set K(S, b) to be the set of all nonnegative integers whose base-b digital expansions contain only digits from S. These ...

This is a preview. Log in through your library . Abstract Some newly-discovered arithmetic progressions of primes are presented, including five length twenty-one and one of length twenty-two. Journal ...

In this article we have covered the CBSE Class 10 Maths Chapter 5 Arithmetic Progressions competency-focused questions. Competency-based practice questions follow the principle of learning with ...