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: A car takes 3hrs less than a truck to cover the distance frm Bombay to pune(192 km). The speed of the truck is 16km/hr slower than car.Find the speed of the car?

 Option A: 40.38

 Option B: 38.38

 Option C: 41.3

 Option D: 48

 Option E: 45
[A]: Option A


[Q]: Question: A man purchases 2 watches for $ 600. He sells one at 15% profit and the other at a loss of 10%. He neither gains nor loses on the whole. Thus, the cost price of two watches are :

 Option A: $ 260 and $ 300

 Option B: $210 and $ 350

 Option C: $240 and $360

 Option D: $560 and $560

 Option E: $224 and $ 350
[A]:
Option C