A problem based on counting in Quantitative aptitude
88657
Count the number of fish caught in total if we are given the number of fishermen who caught at least $n$ fish.
55562
Number of total possibilities for an equation
132921
Counting problem, number of moves
66019
Revisited: Binomial Theorem: An Inductive Proof
78243
graph-theory problem about outdegree and indegree
54990
Coupon collector's problem: mean and variance in number of coupons to be collected to complete a set (unequal probabilities)
63571
The Mississipi counting problem, this time in circle
150281
Am I on the right track to figure out this combinatorics problem?
141927
In the card game "Projective Set": Compute the probability that $n$ cards contain a set
95755
Counting the population of integers
80155
Binomial coefficient problem
10683
statistical method for finding significant numbers in a set
32181
A logic puzzle involving a balance.
69748
Semi-Ambiguous Combinatorics Problem
29146
A comparison between Grade, Mark, Score and Point
68882
Path to Combinatorics Problem [$1.11$]
33851
Generalizing a sequence.