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: The fourth proportional to 12, 14 and 12 is?

 Option A: 14

 Option B: 66

 Option C: 77

 Option D: 88

 Option E: 99
answer:
Option A


question:
Question: The parameter of a square is double the perimeter of a rectangle. The area of the rectangle is 480 sq cm. Find the area of the square?

 Option A: 482

 Option B: 268

 Option C: 260

 Option D: 480

 Option E: 632
answer:
Option D


question:
Question: For what values of k is the system of equations independent? The equations are as follows:
kx + 5y = 3; 3x + 4y = 9

 Option A: 15/9

 Option B: 15/2

 Option C: 15/1

 Option D: 15/4

 Option E: 15/7
answer:

Option D