MBA
Exam
how many four digit positive integers that are divisible by 3 can be formed using digit 0 to 6, without any of the digit getting repeating..?
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MBA Other Question
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A set S is formed by including some of the first 1000 natural numbers.S contains the maximum number of numbers such that they satisfy the following conditions:1. No number of the set is prime.2. When the number of the set S are selcted two at a time, we always see co prime numbers.What is the number of elements in the set S? 1) 11 2) 12 3) 13 4) 7