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: If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is?

 Option A: 299 m

 Option B: 777 m

 Option C: 200 m

 Option D: 167 m

 Option E: 128 m
answer:
Option C


question:
Question: A and B’s salaries together amount to Rs. 2,000. A spends 95% of his salary and B spends 85% of his. If now their savings are the same, what is A’s salary?

 Option A: 0998

 Option B: 2899

 Option C: 1889

 Option D: 1500

 Option E: 2881
answer:
Option D


question:
Question: Aqua regia is a mixture containing 50 per cent concentrated HCL and 70 per cent concentrated HNo3 in the ratio 1 : 3 respectively. Aqua regia is to be formed with 15 l of HCl of 80 percent concentration and 56 l of HNO3 of 90 per cent concentration by adding water as a diluting agent. Another mixture ’X’ having 40 percent concentrated HCL and 30 percent concentrated H2SO4 in the ratio 5 : 7 respectively is added to the Aqua regia to form a solution of 111 l. Find the ratio of HCL to water in the solution. Only water is used as a diluting agent

 Option A: 3 : 8

 Option B: 4 : 7

 Option C: 1 : 3

 Option D: 2 : 5

 Option E: 5 : 2
answer:

Option C