Monday, 20 January 2014

Question of the Day No. 15 (19th Jan 2014)

Find the number of Squares in the Given chart

 
a)  25      b) 28     c) 30    d) 32    e) 23
 


Answers and Explanations are welcome in comments

The Correct Answer will be Given Tomorrow

3 comments:

  1. Correct Answer is 30
    Explanation : It is very tough to count each and every rectangle. So for your convenience note down the formula to count the Rectangles.

    [n^2+(n-1)^2+(n-2)^2.........
    n is number of rows or number of columns

    n=4
    [4^2+3^2+2^2+1^2]
    [16+9+4+1] = 30

    ReplyDelete
  2. what abt in case of triangle AdMin

    ReplyDelete
  3. Concept of counting triangles will be updated soon... keep visiting

    ReplyDelete