Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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Solve: x² + 4x + 4 = 0 and identify the nature of roots
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?
What is 40% of three-quarters of 200?
solve: (8 + 2) × 2 − 6 = ?
What does a radian measure?
What is the expansion of (a + b)²?
If the radius of a circle is doubled what happens to its area?
solve: 2³ + (7 − 4) × 3 = ?
What is the LCM of 4 and 6?
If P(A)=0.4 and P(B)=0.3 and events are mutually exclusive what is P(A or B)?
If 90% of a number is 180, what is the number?
The sum of a geometric series with a=2 r=3 and 4 terms is?
A sum of Rs. 800 is divided between A and B in the ratio 1:3. Find the larger share.
What is 0.25 expressed as a fraction in simplest form?
Find the average of 7, 14, 21, 28, 35.
What is the surface area of a sphere with radius 7 cm using π = 22/7?