Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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solve: (4 + 3)² − (5 × 4) = ?
What is the number of diagonals in a polygon with n sides?
solve: 9 − 3 × 2 + 4 = ?
What is the inverse of the 2x2 matrix with rows [1 2] and [3 4]?
A sum of Rs. 2250 is divided between A and B in the ratio 4:5. Find A's share.
Find the average of 12, 18, 24, 30, 36.
solve: 7 + (6 − 2) × 3 = ?
A sum of Rs. 2100 is divided between A and B in the ratio 4:3. Find A's share.
Differentiate f(x) = sin(x) + cos(x) with respect to x
A sum of Rs. 2700 is divided between A and B in the ratio 4:5. Find the larger share.
solve: (10 − 4) × (3 + 1) = ?
How many prime numbers are between 1 and 50?
solve: (20 − 8) ÷ 4 + 5 = ?
A mixture of 40 liters has milk:water ratio 3:1. How much water to add for ratio 3:2?