Combined arithmetic means involves the series as a whole. Calculating combined arithmetic mean is generally used when 2 or more series are involved. Let’s take a look. Feel free to…

Under weighted arithmetic mean, sometimes we may give greater significance to some items and less to others. In the case of working women; the priorities are different, family will be…

In the number coding, the alphabets in a word are replaced by a certain number according to some rule. Remember there is no formula to get correct answers, only logic…

One of the easiest and scoring topics under arithmetic mean is calculating the correct arithmetic mean. No need to learn complicated formulas, just remember the individual series direct method formula…

Exclusive series is the most common one, where we have class intervals like; 0-10, 10-20, etc. Inclusive series is the one where the class intervals are like; 0-9, 10-19, 20-29,…

Under Resources and Development (Part-5), we will start with conservation of resources, land resources, land utilization. But first, make sure you have revised all 4 parts on this topics: Part…

Under logical reasoning basics, we will understand the table usage and basic application part of applying logic. Remember there is no formula to get correct answers, only logic and practice…

Before reading further, make sure you have gone through all the 3 parts of Resources and Development, wherein, I have explained the meaning of resources, interdependence among human, nature, technology,…

Production Possibility Curve is a curve that shows various production possibilities of two goods given the resources and technology. PPC curve shifts when there is the growth of resources or…

A very common misconception in the minds of many, when they look at another person is that, if the other person is not talking, then he/she must be ‘Rude’. But…