Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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Differentiate f(x) = sin(x) + cos(x) with respect to x
How many prime numbers are between 1 and 50?
Find the average of 100, 150, 200, 250.
A mixture of 40 liters has milk:water ratio 3:1. How much water to add for ratio 3:2?
What is the determinant of the 2x2 matrix with rows [2 3] and [1 4]?
The function f(x) = x² is an example of what type of function?
A sum of Rs. 1200 is divided between A and B in the ratio 3:5. Find the larger share.