

MCQOPTIONS
Saved Bookmarks
1. |
Circular areas of same size have been marked to drill holes in a road. If the radius of one of the holes to be drilled is 21cm, and there are 10 holes to be drilled along the road, what is the total area in sq.cm of all the 10 circles marked to be drilled? (π = 22 / 7) |
A. | 13860 |
B. | 1836 |
C. | 1386 |
D. | 11836 |
Answer» B. 1836 | |