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

Maximum no. of points of intersection of 6 circles and max no of points of intersection of 6 straight lineswhat is the difference between these two

1) 30,15
2) 15,30
3) 13,90
4) 66,9
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