Aptitude Chapter-9

The competitive bank exams probability in this chapter we are discussing Probability, Seating arrangements. We will see how to solve through equations and through shortcut methods.

Probability: Probability = number of favorable changes / total number of chances.

 

 

 

competitive bank exams probability

Suppose if you toss a coin

Total number of chances ={ H, T } = 2

If we choose head so Head = 1

Probability = ½

The problems on coin, dice, cards, and boxes.

Seating arrangements:

In seating arrangements, we have to find out person’s position and a total number of persons in the arrangement.