Free Practice Question
PS · Problem Solving
705-805
Sequences
Set S contains all the integers from 10 to 99. , a subset of S, contains all the numbers of S, in which both the digits are even. , also a subset of S, contains all the numbers of S, in which both the digits are odd. What is the ratio of sum of all elements in to sum of all elements in ?
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Difficulty
705-805
Type
PS
Category