Re: Geometry problem

Draw a second equilateral triangle, with corners at the centres of the three circles. This has sides of length four. Draw smaller 30-60-90 triangles including the corners of the internal and external triangles. The perpendicular distance from the internal triangle to the external triangle is one ra...

Have no idea what the OA is, it is a task which i have problems to solve.
But i think the way you do, except that 285-294 will be rounded off to 290, not 286-294....
the same with gallons, 11.5-12.4 is 12 gallons rounded.
But that doesn't change the situation. No matter there is no such answer.

Gertrude and her grandmother's clocks

Gertrude and her grandmother have 2 clocks with 12 digits. the 1st clock loses 3 minutes every hour. It will show that 57 minutes have elapsed when in fact exactly one hour has gone by. The second clock gains 5 minutes every hour. It will show that 65 minutes have elapsed when in fact one hour has g...