Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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solve: (20 − 8) ÷ 4 + 5 = ?
Two numbers are in ratio 5:3 and their sum is 40. What is the larger number?
What is the geometric mean of 4 and 16?
What is the discriminant of x² - 5x + 6 = 0?
The average of 10 numbers is 25. A new number 47 is added. Find the new average.
If 2 to the power x equals 64 what is x?
solve: 10 − (2 + 3) × 1 = ?
A man walks 4 km North then 3 km East. How far is he from the start?
Solve the absolute value equation: |2x - 3| = 7
Find the average of 22, 28, 34, 40.
What is the equation of a line with slope 3 and y-intercept negative 2?
What is the expansion of (a-b)²?
What is the sum of interior angles of a hexagon?