Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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The average of 8 numbers is 15. A new number 24 is added. Find the new average.
What is 30% of 40% of 500?
solve: (6 + 2)² ÷ 8 = ?
What is the value of π (Pi) approximately?
Solve: x² + 4x + 4 = 0 and identify the nature of roots
A sum of Rs. 990 is divided between A and B in the ratio 4:5. Find the larger share.
In a right triangle if one angle is 30° what is the other acute angle?
What is the value of log(ab) in terms of log a and log b?
What is the area of a circle with radius 7 cm using π = 22/7?
Find the average of 5, 10, 15, 20.
What is 40% of three-quarters of 200?
solve: (8 + 2) × 2 − 6 = ?
What does a radian measure?
A sum of Rs. 960 is divided between A and B in the ratio 5:7. Find the larger share.
What is the expansion of (a + b)²?
Average weight of 30 boys is 45 kg and of 20 girls is 40 kg. Find the average weight of all students.