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.

[EX Q]: Question: Find the sum lend at C.I. at 5 p.c per annum will amount to Rs.441 in 2 years?

 Option A: Rs.900

 Option B: Rs.800

 Option C: Rs.500

 Option D: Rs. 400

 Option E: Rs.200
[EX A]: Option D

[EX Q]: Question: An inspector rejects 15% of the meters as defective. How many will he examine to reject 15?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E
[EX A]: Option A

[EX Q]: Question: How many seconds will a train 100 meters long take to cross a bridge 160 meters long if the speed of the train is 36 kmph?

 Option A: 26

 Option B: 72

 Option C: 25

 Option D: 82

 Option E: 27
[EX A]:
Option A