In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it? Math practice – 30 minutes everyday for Success. http://www.ipracticemath.com/
X and y are integers. X + y 6. What is the smallest possible value of x – y?
ABCD is a parallelogram. BD = 2. The angles of triangle BCD are all equal. What is the perimeter of the parallelogram?
A picture is copied onto a sheet of paper 8.5 inches by 10 inches. A 1.5 inch margin is left all around. What area in square inches does the picture cover?
Solve: (3 x 104) + (2 x 10²) + (4 x 10) = ?
If one of the roots of quadratic equation x2 + mx + 24 = 0 is 1.5, then what is the value of ‘m’?
Sheila works 8 hours per day on Monday, Wednesday and Friday, and 6 hours per day on Tuesday and Thursday. She does not work on Saturday and Sunday. She earns $324 per week. How much does she earn in dollars per hour?
In triangle ABC, AD = DB , DE is parallel to BC, and the area of triangle ABC is 40. What is the area of triangle ADE?
In a sports club with 30 members, 17 play badminton and 19 play tennis and 2 do not play either. How many members play both badminton and tennis?
Find ‘θ’ , if sin(θ + 360) = cos θ, where θ + 360 is an acute angle.