solve the following all questions

Business Statistics Sec-2A Quiz 3 Faculty: Aamir Shaikh Duration: 40 minutes Q. A. Using the letters in THURSDAY: (a) how many 4 letter words are possible? (b) how many 4 letter words end in Y? (c)How many do not start with an R and end with a Y? B. How many ways can 8 people be seated around a circular table? C. Using the numbers 0, 1, 2, 3, 5, 6, 8 (no repetitions): (a) how many 4 digit numbers are possible? (b) How many are divisible by 5? (c) How many are even? D. In how many ways can a committee of 5 be chosen from 10 Conservatives and 8 Liberals, so that the Liberals would have the majority on the committee