instruction:
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.
question:
Question: Amit, Raju and Ram agree to pay their total electricity bill in the proportion 3 : 4 : 5. Amit pays first day's bill of Rs. 50, Raju pays second day's bill of Rs. 55 and Ram pays third day's bill of Rs. 75. How much amount should Amit pay to settle the accounts?

 Option A: Rs. 15.25

 Option B: Rs. 17

 Option C: Rs. 12

 Option D: Rs. 5

 Option E: NONE OF THE ABOVE
answer:
Option D


question:
Question: The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 1500 resolutions?

 Option A: 2112 m

 Option B: 2704 m

 Option C: 2278 m

 Option D: 2288 m

 Option E: 2378 m
answer:
Option A


question:
Question: A school currently maintains a fixed number of students per class. If the ratio of students per class were to be increased by 1, 10 fewer classes would be run for a total of 120 students. What is the current ratio W of students per class?

 Option A: W=3

 Option B: 4

 Option C: 6

 Option D: 8

 Option E: 12
answer:

Option A