book Maths Puzzle Numerical Ability

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?

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book Other Question

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? Please help me find the sum:-11+(-7)