Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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solve: 7 + (6 − 2) × 3 = ?
What is the slope of a line perpendicular to y = 2x + 3?
solve: (12 ÷ 3 + 2) × (5 − 2) = ?
Differentiate f(x) = sin(x) + cos(x) with respect to x
How many prime numbers are between 1 and 50?
A sum of Rs. 2000 is divided between A and B in the ratio 3:7. Find A's share.
Rationalize the denominator: 1 divided by √2
A mixture of 40 liters has milk:water ratio 3:1. How much water to add for ratio 3:2?
What is the geometric mean of 4 and 16?
What is the discriminant of x² - 5x + 6 = 0?
solve: (9 + 3) ÷ 3 + 2 = ?
What is the determinant of the 2x2 matrix with rows [2 3] and [1 4]?
solve: 10 − (2 + 3) × 1 = ?
The function f(x) = x² is an example of what type of function?
Solve the absolute value equation: |2x - 3| = 7
What is the equation of a line with slope 3 and y-intercept negative 2?