Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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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?
solve: (4 + 3)² − (5 × 4) = ?
What is 2 raised to the power of 10?
A sum of Rs. 1890 is divided between A and B in the ratio 5:4. Find A's share.
How many ways can 4 people be arranged in a line?
solve: (12 ÷ 4) + (5 × 2) = ?
An item's price increased by 25% to Rs. 500. What was the original price?
What is the number of diagonals in a polygon with n sides?
The volume of a cube with side 5 cm is?
The average of 5 consecutive even numbers is 20. What is the largest number?
What is the inverse of the 2x2 matrix with rows [1 2] and [3 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)?
A shopkeeper buys an item for Rs 200 and sells it for Rs 250. What is the profit percentage?
A and B together do a job in 12 days. A alone takes 18 days. How long does B take alone?
solve: 7 + (6 − 2) × 3 = ?