The task is to generate the correct answer for a given math problem.
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Question: Problem: the speed of a car is 85 km in the first hour and 45 km in the second hour . what is the average speed of the car ?

Answer: 65 kmph


Question: Problem: the probability is 1 / 2 that a certain coin turns up heads on any given toss . if the coin is tossed 6 times , what is the probability that the coin turns up tails on at least one of the tosses ?

Answer: 63 / 64


Question: Problem: abcd is a parallelogram . bd = 2 . the angles of triangle bcd are all equal . what is the perimeter of the parallelogram ?

Answer:
8', 'e ) 3 √ 3'