Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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What is the value of (1/2) raised to the power of negative 2?
If variance of a data set is 25 what is the standard deviation?
A sum of Rs. 1000 is divided between A and B in the ratio 2:3. Find the smaller share.
In how many ways can the letters of MATHS be arranged?
solve: (7 − 2) × (6 ÷ 2) = ?
If 3x - 7 = 2x + 5 what is x?
A price dropped from 250 to 200. What is the percentage decrease?
What is the value of C(5 2)?
Find the average of 15, 25, 35, 45.
If log base 2 of x equals 5 what is x?
solve: (15 − 5) ÷ 2 × 3 = ?
The sum of an infinite geometric series with first term 1 and ratio 1/2 is?
A sum of Rs. 1400 is divided between A and B in the ratio 3:4. Find the difference between their shares.
Find the roots of x² - 5x + 6 = 0
A sum of Rs. 1440 is divided between A and B in the ratio 5:3. Find A's share.
The product of two numbers is 48 and their HCF is 4. What is their LCM?
What percentage is 18 out of 90?