Question

0. What is the least number of identical square tiles required to pave the floor of a
room 1515 metre 1717 centimetre long and 99 metre 22 centimetre broad?​

Answer 1

Step-by-step explanation:

Find the least number of square tiles required to pave the ceiling of a room 15m , 17cm long and 9m , 2cm broad.

A

656

B

814

C

902

D

738

Answer

Given, length =15 m 17 cm=1517 cm

and width =9 m 2 cm=902 cm

Area of ceiling =(1517×902)

or, A

ceiling

=1368335 cm

2

.

The dimension of square tile required to pave the ceiling =HCF of {1517,902}=41

Area of tile =1681 cm

2

Number of square tile required =

Aone tile

A

ceiling

=(

1681

1368334

)= 814