Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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solve: (6 × 2) − (8 ÷ 4) = ?
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?
A sum of Rs. 900 is divided between A and B in the ratio 2:7. Find the smaller share.
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) = ?
A sum of Rs. 1650 is divided between A and B in the ratio 6:5. Find the difference between their shares.
Simplify: (a² - b²) divided by (a - b)
Average weight of 18 boys is 48 kg and of 12 girls is 44 kg. Find the average weight of all students.
The price after 20% discount is Rs 400. What was the original price?
How many ways can 4 people be arranged in a line?
solve: (12 ÷ 4) + (5 × 2) = ?
A sum of Rs. 1800 is divided between A and B in the ratio 5:4. Find the difference between their shares.
The average of 5 consecutive even numbers is 20. What is the largest number?
solve: 9 − 3 × 2 + 4 = ?
What is the value of log base 10 of 1000?
What is 30% of 150 plus 10% of 50?
If f(x) = 2x² + 3x - 5 what is f(2)?