square counting trick |#shorts|वर्ग गीने चुटकियों में |how to count a square figure|square counting|

The adjoining figure shows a set of concentric squares.If the digure sho the innermostsquare is 2 units,and if the distance between the corresponding corners of any twosuccessive squares is lunit,find the difference between the areas of the eighth and seventhsquares,counting from the innermost square.

1.From a basket of mangoes when counted in twos there was one extra,counted in threes there were two extra,counted in fours there were three extra,counted in fives there were four extra,counted in sixes there were five extra.But counted in sixes there were no extra.Atleast how many mangoes were there in the basket?

In a zoo , there are some poigenos and some rabbits . If their heads are counted, these are 100 and if their legs are counted, these are 320 . How many pigeons are there ?

1.Find the areas of the following figures by counting square:

Find the areas of the following figures by counting square :