exam Maths Puzzle Numerical Ability

A boat travels at a rate of 15 kilometers per hour in still water. It travels 60 kilometers upstream in the same time that it travels 90 kilometers downstream. What is the rate of

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Find the distance from first base to third base on a baseball diamond if the distance between bases is 90 feet. Area of a painting. A rectangular painting with the width of x centimeters has an area of x^2 + 50x square centimeters. Find the binominal that represents the length