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.
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Question: Problem: if p ( a. = 5 / 7 and p ( b. = 2 / 5, find p ( a n b. if a and b are independent events.
Options: a. 7 / 25, b. 3 / 25, c. 8 / 25, d. 2 / 7, e. 3 / 17

Answer: d


Question: Problem: a shopkeeper buys mangoes at the rate of 5 a rupee and sells them at 2 a rupee. find his net profit or loss percent ?
Options: a. 34 %, b. 30 %, c. 50 %, d. 150 %, e. 33 %

Answer: d


Question: Problem: on a certain transatlantic crossing, 30 percent of a ship ' s passengers held round - trip tickets and also took their cars abroad the ship. if 60 percent of the passengers with round - trip tickets did not take their cars abroad the ship, what percent of the ship ' s passengers held round - trip tickets ?
Options: a. 33.3 %, b. 40 %, c. 50 %, d. 60 %, e. 75 %

Answer:
e