You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

[Q]: Question: Evaluate combination
100C98=100!/(98)!(2)!

 Option A: 4950

 Option B: 1510

 Option C: 4170

 Option D: 3170

 Option E: None of these
[A]: Option A


[Q]: Question: How many digits will be there to the right of the decimal point in the product of 95.75 and .02554 ?

 Option A: 5

 Option B: 6

 Option C: 7

 Option D: 8

 Option E: 9
[A]: Option B


[Q]: Question: The largest number amongst the following that will perfectly divide 101100 – 1 is?

 Option A: 9000

 Option B: 91000

 Option C: 10000

 Option D: 11000

 Option E: 12000
[A]:
Option C