Aptitude Chapter-2

Bodhak competitive bank exams ages in this chapter we will discuss AGES AND AVERAGES. We will see how o solve through equations and through shortcut methods.

AGES : In Ages after or hence means +(add)  and Ago or before means –(subtract) 

In ages we take present ages. Example : Present age of Father(F),Mother(M),Daughter(D),Son(S) etc.

In ages writing an equation is important.

 

competitive bank exams ages

AVERAGES:

Average=Sum of the observations/number of observations

Sum=average*number

If Average increased by including one person or number than the number or person is more than average

If Average Decreases by including one person or number than the number or person is less than average.

If Average Increases by excluding one person or number than the number or person is less than the average.

If Average decreases by excluding one person or number than the number or person are more than average.