Geometry & Mensuration
Aptitude

 Back to Questions
Q.

How many tiles whose length and breadth are 12 cm and 5 cm respectively will be needed to fit in a rectangular region whose length and breadth are respectively 144 cm and 100 cm:

 A.

160

 B.

240

 C.

320

 D.

450

 Hide Ans

Solution:
Option(B) is correct

Total area of the region

\(=100\times 144\)

\(=14400\text{ cm}^2\)

Area of one tile 

\(=12\times 5\)

\(=60\text{ cm}^2\)

Number of tiles required

\(=\dfrac{14400}{60}\)

\(=240\)

Therefore, 240 tiles are required.

Edit: Thank you Pawan Sharma, added rectangular region's length and width in order to complete the question.


(2) Comment(s)


Pawan Sharma
 ()

Question is not complete.


Deepak
 ()

Thank you Pawan for pointing out the aberration. Updated question and it should now be complete.