Maths problems related to distance and speed circles quadratic equations exponents and polynomials are presented along with their detailed solutions and expalanations free mathematics tutorials home maths problems with solutions grade 11 maths problems with answers and solutions are presented problems an airplane flies against the wind from a to b in 8 hours the same airplane . A collection of mathematics problems with an answer and solution to each problem math practice problems for 1st grade counting one digit addition one digit subtraction problems for 2nd grade number line comparing whole numbers two digit addition addition with carrying addition and subtraction word problems telling time 1 telling time 2 telling time 3 reading pictographs problems . The problems cover six aspects of graduate school mathematics algebra topology differential geometry real analysis complex analysis and partial differential equations the depth of knowledge involved is not beyond the contents of the textbooks for graduate students while solution of the problems requires deep understanding of the mathematical principles and skilled techniques for . Math word problems and solutions distance speed time problem 1 a salesman sold twice as much pears in the afternoon than in the morning if he sold 360 kilograms of pears that day how many kilograms did he sell in the morning and how many in the afternoon click to see solution. Solution to problem 3 let x and y be the weights in grams of sterling silver and of the 90 alloy to make the 500 grams at 91 hence x y 500 the number of grams of pure silver in x plus the number of grams of pure silver in y is equal to the number of grams of pure silver in the 500 grams the pure silver is given in percentage forms hence 925 x 90 y 91 500 substitute y by 500