Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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If the radius of a circle is doubled what happens to its area?
If P(A)=0.4 and P(B)=0.3 and events are mutually exclusive what is P(A or B)?
What is the surface area of a sphere with radius 7 cm using π = 22/7?
What is the compound interest on Rs 1000 for 2 years at 10% per annum?
A number increased from 80 to 100. What is the percentage increase?
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)?
A clock shows 3:00. What is the angle between the hour and minute hands?
If 5 workers finish a job in 8 days how many days will 10 workers take?
What is the equation of a circle centered at origin with radius r?
If sin θ = 3/5 what is cos θ for an acute angle?
Simplify: (a² - b²) divided by (a - b)
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?
What is the value of log base 10 of 1000?
What is 30% of 150 plus 10% of 50?