## Realated Questions

For a Fibonacci sequence, from the third term onwards, each term in the sequence is the sum of the previous two terms in that sequence. The difference in squares of seventh and sixth terms of this sequence is 517. What is the tenth term of this sequence ?

For a scholarship, almost n candidates out of 2n - 1 can be selected. If the number of different ways of selection of atleast one candidate is 63, the maximum number of candidates that can be selected for the scholarship is :

Ten points are marked on a straight line and eleven points are marked on another straight line. How many triangles can be constructed with vertices from among the above points?