Monday, 23 September 2013

Aptitude Tips and Tricks - Softlogic Applitute Training Institute in Chennai


For any regular polygon , the sum of the exterior angles is equal to 360 degrees. So, 360/n is the measure of any external angle. ( where n is the number of sides)

For any regular polygon , the sum of interior angles = (n-2)180 degrees. So measure of one angle in a

Square = 90
Pentagon =108
Hexagon =120
Heptagon =128.5
Octagon = 135
Nonagon = 140
Decagon =144

The sum of first n natural numbers = n (n+1)/2
For the first n natural numbers, the sum of squares is n (n+1)(2n+1)/6
The sum of first n even numbers= n (n+1)
The sum of first n odd numbers= n^2

For more tips and tricks to solve aptitude tests, you can join a course at Softlogic IT Training Institute. For more details visit Softlogic Training Institute in Chennai or dial +91 86818 84318