Latest exam Aptitude Question SOLUTION: A few years ago Portland instituted a new area code of 971 so that more phone numbers could be assigned. How many seven-digit phone numbers can be formed using this area code if th

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Previous Question: It is a fact that if an N is a composite number, then there exists a prime p is less than or equal to sqrt(N) which is a factor of N. Given this, how many primes must be checked to determine if 2003 is prime? How did you come up with the answer? Next Question: find the missing quantity by using the simple interest formula I=? P=6000 R=2%per year T=4months

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A few years ago Portland instituted a new area code of 971 so that more phone numbers could be assigned. How many seven-digit phone numbers can be formed using this area code if the only restriction is that the first number cannot be 0 or 1?: Asked In exam (9 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: It is a fact that if an N is a composite number, then there exists a prime p is less than or equal to sqrt(N) which is a factor of N. Given this, how many primes must be checked to determine if 2003 is prime? How did you come up with the answer? Next Question: find the missing quantity by using the simple interest formula I=? P=6000 R=2%per year T=4months

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Maths Quotes

Mathematics is the supreme judge; from its decisions there is no appeal.

Tobias Dantzig

Mathematical proofs, like diamonds, are hard and clear, and will be touched with nothing but strict reasoning.

John Locke

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