The task is to generate the correct answer for a given math problem.
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Question: Problem: at what rate percent on simple interest will rs . 750 amount to rs . 900 in 8 years ?

Answer: 2.5 %


Question: Problem: set a { 3 , 3,3 , 4,5 , 5,5 } has a standard deviation of 1 . what will the standard deviation be if every number in the set is multiplied by 8 ?

Answer: d ) 8


Question: Problem: a train is 320 meter long is running at a speed of 45 km / hour . in what time will it pass a bridge of 140 meter length ?

Answer:
36.8 second