The cost of fencing around a rectangular playground at the rate of 10 per metre is Rs.4800.If the ratio between length and breadth is 5:3,find the breadth.
Perimeter=4800/10=480
Perimeter=2(5x+3x)=480
8x=240 x=30
Breadth=3*30=90
The ratio between length and breadth of a rectangle is 4:3.Area is 343sqcm.Find length.
A rectangular plot with length 10m and breadth 8m has a pavement of breadth 2m inside it.Find the area of the pavement?
A rectangular plot with length 12 m and breadth 8m has a pavement of breadth 2m outside it.Find area of the pavement?
What is the perimeter of a square whose area is twice the area of a square with perimeter 20m?
The side of a square is 6cm.Find the percentage increase in area if side is trebled?