11 Plus Exams Forum

Hi,

I have the following maths question with options given. Can someone help me in finding what is the answer and how it is calculated

Mr Chan's garden is 40 m long and 25.5 m wide. If he paves the garden with tiles which are 50 cm square, how many tiles he need
a) 4080
b) 1000
c) 408
d) 2000
e) 2020

Thanks

Think about how many he can fit along each side.

40m long - each tile 50cm - so ....

Try and think it through and if you can't work it out we'll give another hint.

Doesn't 50 cm square mean that area of each tile is 50 cm square? Isn't the question a bit vague as the kid has to assume that 50 is the length of one side and not the area of a whole tile?

Thanks.

The wording means that the tile is 50 cm along each side and that it is a square.

thanks for replying. I got the context.

You are probably thinking of '50 square centimetres'? Which would be a tile with sides of a length just over 7cm.