Probability of AP

Out of 10001 tickets numbered consecutively, 3 are drawn at random .

Find the chance that the numbers on them are in Arithmetic Progression .

The answer is of the form lk \frac{l}{k} .

Find kl k - l where kk and ll are co-prime integers.

HINT : You might consider solving for 2n+12n + 1 tickets .

You can try more of my Questions here .


Problem Loading...

Note Loading...

Set Loading...