Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

[Q]: Problem: a and b started a business in partnership investing rs. 20,000 and rs. 15,000 respectively. after 6 months, c joined them with rs. 20,000. whatwill be b ' s share in total profit of rs. 15,000 earned at the end of 2 years from the startingof the business ?
Options: a. s. 5,000, b. s. 4,500, c. s. 5,700, d. s. 6,500, e. s. 7,500
[A]: b


[Q]: Problem: a and b started a business investing rs. 80,000 and rs 20,000 respectively. in what ratio the profit earned after 2 years be divided between a and b respectively ?
Options: a. 4: 1, b. 3: 2, c. 18: 20, d. 18: 4, e. 17: 4
[A]: a


[Q]: Problem: an amount of money is to be distributed among faruk, vasim and ranjith in the ratio 3: 5: 11. if vasims share is rs. 1500, what is the difference between faruk ' s and ranjith ' s shares ?
Options: a. s 1200, b. s 1500, c. s 1600, d. s 1900, e. s 2400
[A]:
e


