QUESTION:There are 12 intermediate stations between two places A and B. Find the number of ways in which a train can be made to stop at 4 of these intermediate stations so that no two stopping stations...
Photosynthesis is a term used to describe the process of preparation of food by green plants. The process uses energy from sunlight to convert carbon dioxide and water into the molecules which are needed...
In our everyday life, we often come across remarks like, “It will probably rain tonight” or “It is unlikely that India will beat Australia in the ODI series”. What do these statements...
Arithmetic Progression Example Q: The sums of n terms of two arithmetic progressions are in the ratio 5n+4:9n+6. Find the ratio of their 18th terms. ...