Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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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.
What is the perimeter of a square with side 9 cm?
The average of 7 numbers is 30. A new number 54 is added. Find the new average.
Find the roots of x² - 5x + 6 = 0
solve: [(6 + 4) × 2] − 3² = ?
What is the value of π (pi) up to two decimal places?
What is the square root of 144?
A bag has 5 red and 3 blue balls. What is the probability of drawing 2 red balls?
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?
What is the nth term of arithmetic sequence 3 7 11 15?
A sum of Rs. 1500 is divided between A and B in the ratio 4:5. Find the difference between their shares.
The ratio of boys to girls is 3:2. If there are 30 students how many are girls?