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: The difference of two numbers is 1415. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E
[A]: Option B


[Q]: Question: By how much is three-fifth of 370 greater than four-seventh of 210 ?

 Option A: 90

 Option B: 100

 Option C: 110

 Option D: 120

 Option E: 102
[A]: Option E


[Q]: Question: Two dogsled teams raced across a 700-mile course in Alaska. Team A finished the course in 7 fewer hours than team B. If team A’s average speed was 5 miles per hour greater than that of team B, what was team B’s average speed, in miles per hour?

 Option A: 12

 Option B: 15

 Option C: 18

 Option D: 20

 Option E: 25
[A]:
Option D