List of top Quantitative Aptitude Questions on Permutations and Combinations asked in BHU PET

In how many ways can the letters of the word 'PERMUTATIONS' be arranged if vowels are together?
In a group of children, each child gives a gift to every other. If the number of gifts is 132, then the number of children is:
The number of selections of six persons including only one teacher from 4 teachers and 7 students is:
The number of selections of four letters from the letters of the word ASSASSINATION is: