Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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If f(x) = 2x² + 3x - 5 what is f(2)?
A and B together do a job in 12 days. A alone takes 18 days. How long does B take alone?
What is the slope of a line perpendicular to y = 2x + 3?
A sum doubles itself in 8 years at simple interest. What is the rate?
A pipe fills a tank in 6 hours another empties it in 8 hours. Both open: how long to fill?
solve: (10 − 4) × (3 + 1) = ?
Rationalize the denominator: 1 divided by √2
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?
solve: (9 + 3) ÷ 3 + 2 = ?
If 2 to the power x equals 64 what is x?
A sum of Rs. 1260 is divided between A and B in the ratio 7:2. Find the smaller share.
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
What is the equation of a line with slope 3 and y-intercept negative 2?
What is the expansion of (a-b)²?