1.

A garden is 26 m long and 14 m wide. There is a path 2 m wide outside the garden along its sides. If the path is to be constructed with square marble tiles 40 cm × 40 cm, the number of tiles required to cover the path is1). 18002). 4003). 10004). 1100

Answer»

The garden is 26 m LONG and 14 m wide.

So, the area of the garden = 26 × 14 = 364 m2

There is a path 2 m wide OUTSIDE the garden along its sides.

Then, the NEW length of the garden with the path = 26 + 2 + 2 = 30 m.

The new width of the garden with the path = 14 + 2 + 2 = 18 m.

The area of the garden with the path along its sides = 30 × 18 = 540 m2

So, the area of the 2m wide path along the sides of the garden = 540 – 364 = 176 m2

The path is to be CONSTRUCTED with square marble tiles 40 cm × 40 cm = 0.40 m × 0.40 m.

The area of one square marble tile = 0.40 × 0.40 = 0.16 m2

∴ The number of tiles required to cover the path = 176/0.16 = 1100


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