195
1365
455
136.9863
113.75
Many houses are 60 feet wide. 1365 divided by 60 is about 23 feet. So a house about 60 by 23 would be 1365 square feet.
154 = 2*7*11 and 1365 = 3*5*7*13 so their hcf is 7
292, as a percentage of 1365 is 100*292/1365 = 21.392% (to 3 dp)
1365
The LCM is 30030.
1365
The LCM is 1365.