Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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In a class 60% passed math 70% passed English and 20% failed both. What % passed both?
What is the compound interest on Rs 1000 for 2 years at 10% per annum?
What is the derivative of x³ with respect to x?
If a train travels 120 km in 2 hours what is its speed?
What is the sum of arithmetic series: first term 1 last term 100 with 100 terms?
If f(x) = x² - 4 what are the zeros of f(x)?
What is the median of data: 3 7 5 9 1?
A clock shows 3:00. What is the angle between the hour and minute hands?
solve: (3 + 5) × 2² ÷ 4 = ?
Solve: 2x + 5 = 15, find x
What is the value of log base 2 of 32 plus log base 2 of 4?
If 5 workers finish a job in 8 days how many days will 10 workers take?
If a shirt costs Rs. 800 and is discounted by 25%, what is the discount amount?
What is the equation of a circle centered at origin with radius r?
What is the next term in the sequence 2 6 18 54?
Find the average of 8, 16, 24, 32, 40.
If sin θ = 3/5 what is cos θ for an acute angle?
solve: (4 + 4) × (3 − 1) = ?
What is the sum of squares formula: a² + b² equals?