Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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In a right triangle if one angle is 30° what is the other acute angle?
What is 40% of three-quarters of 200?
If the radius of a circle is doubled what happens to its area?
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?
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?
solve: (6 × 2) − (8 ÷ 4) = ?
If a shirt costs Rs. 800 and is discounted by 25%, what is the discount amount?
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?
The average of 5 consecutive even numbers is 20. What is the largest number?
solve: 9 − 3 × 2 + 4 = ?
A and B together do a job in 12 days. A alone takes 18 days. How long does B take alone?