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'.
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Question: Problem: a number is doubled and 5 is added . if the resultant is trebled , it becomes 123 . what is that number ? 
Options: a ) 12 , b ) 29 , c ) 27 , d ) 18 , e ) 99

Answer: d


Question: Problem: what is the least number which should be added to 5432 so that the sum is exactly divisible by 5 , 6 , 4 , and 3 ? 
Options: a ) 16 , b ) 22 , c ) 28 , d ) 34 , e ) 40

Answer: c


Question: Problem: how many 7 - digits number are palindromic numbers ? a palindromic number reads the same forward and backward , example 1234321 . 
Options: a ) 100 , b ) 610 , c ) 729 , d ) 9000 , e ) 1000

Answer:
d