Develop speed and accuracy in arithmetic, algebra, geometry, percentages, ratios and other quantitative concepts.
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If the radius of a circle is doubled what happens to its area?
A sum of Rs. 1170 is divided between A and B in the ratio 7:6. Find the smaller share.
If P(A)=0.4 and P(B)=0.3 and events are mutually exclusive what is P(A or B)?
A sum of Rs. 800 is divided between A and B in the ratio 1:3. Find the larger share.
What is the surface area of a sphere with radius 7 cm using π = 22/7?
A sum of Rs. 1750 is divided between A and B in the ratio 3:4. Find the smaller share.
What is the compound interest on Rs 1000 for 2 years at 10% per annum?
A number increased from 80 to 100. What is the percentage increase?
What is the derivative of x³ with respect to x?
Find the average of 10, 20, 30.
What is the sum of arithmetic series: first term 1 last term 100 with 100 terms?
If f(x) = x² - 4 what are the zeros of f(x)?
A sum of Rs. 3000 is divided between A and B in the ratio 7:8. Find the smaller share.
The average of 6 numbers is 18. A new number 32 is added. Find the new average.
A clock shows 3:00. What is the angle between the hour and minute hands?
A sum of Rs. 1620 is divided between A and B in the ratio 4:5. Find the difference between their shares.
If 5 workers finish a job in 8 days how many days will 10 workers take?