Question
The class NP-complete includes problems that are:
Solution
As hard as the hardest problems in NP.
Find the smallest 4-digit number exactly divisible by 9.
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The arithmetic mean of two values ‘a’ and ‘b’ is 16, and their geometric mean is 10√2. Find the positive difference between the numbers, given...
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Find the least 4-digit number which, when divided by 9, 12, and 15, leaves a remainder of 4 in each case.