The length and breadth of the floor of a hall is 20 m and 10 m respectively. Square tiles of 2 m dimensions in three different colours are placed on the floor. The first row of tiles on all sides is black. Out of the remaining , one-third are white and the rest are blue. How many blue tiles are there?
Answers
Answered by
0
area= 200msq.
black tiles = 5
total no. of tiles 50
50 - 5 = 45
45*1/3 = 15
45-15=30
Similar questions