Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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Average weight of 22 boys is 50 kg and of 18 girls is 46 kg. Find the average weight of all students.
Evaluate the integral of x dx from 0 to 4
solve: 3 × [(8 − 2) ÷ 3] + 4 = ?
The slope of a line through points (2 3) and (4 7) is?
What is the value of i² where i is the imaginary unit?
solve: (6 + 2)² ÷ 8 = ?
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.
What is the value of log(ab) in terms of log a and log b?
solve: (8 + 2) × 2 − 6 = ?
What does a radian measure?
What is the expansion of (a + b)²?
solve: 2³ + (7 − 4) × 3 = ?
If P(A)=0.4 and P(B)=0.3 and events are mutually exclusive what is P(A or B)?
The sum of a geometric series with a=2 r=3 and 4 terms is?
In a class 60% passed math 70% passed English and 20% failed both. What % passed both?