book Maths Puzzle Numerical Ability

What is the largest number of distinct postive intgers that can be found such that no four of them cab be selectedd with a sum divisable by 4?

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book Other Question

seven added to 4 times a number is 30 Leon drove 270 miles to the lodge in the same time as Pat drove 330 miles to the lodge. If Pat drove 10 miles per hour faster than Leon, then how fast did each of them drive?