If × 3x – 3x – 1 = 81, then the value of x is ____.
None of the answers are matching
Karan plans to cover the boundary of a park with tiles. What should Karan know to make sure he buys enough tiles?
A Length of park
B The perimeter of the park
C Area of park
D None of these
When is added to 59 hundreds, the answer is 300 tens more than 11 thousands.
How many tens is ?