Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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What is the value of (2+3i)(2-3i)?
solve: (2 + 3)² ÷ 5 + (4 × 2) = ?
A sum of Rs. 1500 is divided between A and B in the ratio 4:5. Find the difference between their shares.
What is tan(A+B) equal to?
solve: 3 × [(8 − 2) ÷ 3] + 4 = ?
Solve: x² + 4x + 4 = 0 and identify the nature of roots
What does a radian measure?
If 90% of a number is 180, what is the number?
In a class 60% passed math 70% passed English and 20% failed both. What % passed both?
What is the value of log base 2 of 32 plus log base 2 of 4?
What is the sum of squares formula: a² + b² equals?
solve: (4 + 3)² − (5 × 4) = ?
What is the number of diagonals in a polygon with n sides?
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.
Differentiate f(x) = sin(x) + cos(x) with respect to x
How many prime numbers are between 1 and 50?
A mixture of 40 liters has milk:water ratio 3:1. How much water to add for ratio 3:2?
solve: [(9 + 3) × 2] ÷ (4 + 2) = ?
A sum of Rs. 1320 is divided between A and B in the ratio 5:6. Find the smaller share.