Five balls of different colours are to be placed in there boxes of different size. Each box can hold all five. In how many different ways can be place the balls so that no box remains emply?
Answer
300
2
IIT-JEE 1978
Subjective
Six X' s have to be placed in the squares of figure below in such a way that each row contains at least one X. In how many different ways can this be done.
Answer
26
Questions Asked from Permutations and Combinations
On those following papers in Subjective
Number in Brackets after Paper Indicates No. of Questions
