NOTES FOR YOUR NEXT STUDY SESSION

The study blog

Useful routines, worked examples and small ideas that make learning feel more manageable.

CHOOSE YOUR NEXT GUIDE

Which average problem are you solving?

Choose the method that matches your question, then work through the examples.

सवाल में गलत मान है, दो ग्रुप हैं या कोई संख्या जोड़नी है? सही तरीका यहाँ चुनो।

Maths

Add probabilities for events that cannot happen together.

Maths

Multiply probabilities only when one event does not change the other.

Maths

Calculate one minus the probability of the opposite event.

Maths

Use cumulative frequency to locate the middle observation.

Maths

Locate the value with the greatest frequency and handle ties honestly.

Maths

Multiply each value by its frequency, add, then divide by total frequency.

Maths

Convert length, area and volume units with the correct power.

Maths

Choose 4 pi r squared or 4 by 3 pi r cubed over 3.

Maths

Use one-third base times height for a cone and compare like dimensions.

Maths

Distinguish curved area from total area and use the radius consistently.