Realated Questions
The area of the triangle whose vertices are (a, a), (a + 1, a + 1), (a + 2, a) is :
- On a straight road XY, 100 metres long, five heavy stones are placed two metres apart beginning at the end X. A worker, starting at X, has to transport all the stones to Y, by carrying only one stone at a time. The minimum distance he has to travel (in metres) is :
What is the value of the following expression? [1/(22 - 1)] + [1/(42 - 1)] + [1/(62 - 1)] + .... + [1/(202 - 1)]