Question

The floor length of a hall is 40 feet and 20 feet respectively. Area of ​​4 square feet
Three different colored square tiles should be laid on the floor. Black tiles on the first row of all sides
Must. If 1 / 4th of the floor is covered with red tiles and white tiles on the remaining part (floor)
The number of white tiles introduced?
(AP, SI Mains 2016)
1) 36
2) 56
3) 108
4) 200​

Answer 1

Answer:

I think 56 your answer

hope I help u