In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Problem: in a maths test , students were asked to find 5 / 16 of a certain number . one of the students by mistake found 5 / 6 th of that number and his answer was 200 more than the correct answer . find the number .
Options: a ) 384 , b ) 76 , c ) 26 , d ) 28 , e ) 11
a

Problem: which number can we add to 897326 to get a number exactly divisible by 456 ?
Options: a ) 58 , b ) 66 , c ) 74 , d ) 82 , e ) 90
d

Problem: q and r are two - digit positive integers that have the same digits but in reverse order . if the positive difference between q and r is less than 60 , what is the greatest possible value of q minus r ?
Options: a ) 52 , b ) 54 , c ) 55 , d ) 56 , e ) 58
b