In this task, you need to provide the correct option for a given problem from the provided options.
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Question: Problem: a person want to give his money of $ 900 to his 3 children a , b , c in the ratio 2 : 3 : 4 . what is the b ' s share ? 
Options: a ) $ 400 , b ) $ 300 , c ) $ 500 , d ) $ 180 , e ) $ 200

Answer: b


Question: Problem: if 30 % of the 880 students at a certain college are enrolled in biology classes , how many students at the college are not enrolled in a biology class ? 
Options: a ) 620 , b ) 630 , c ) 616 , d ) 600 , e ) 650

Answer: c


Question: Problem: in a college the ratio of the numbers of boys to the girls is 8 : 5 . if there are 120 girls , the total number of students in the college is ? 
Options: a ) 312 , b ) 356 , c ) 452 , d ) 416 , e ) 512

Answer:
a