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'.

Input: Consider Input: Problem: how many two - digit numbers yield a remainder of 1 when divided by both 6 and 15 ? 
Options: a ) 0 , b ) 1 , c ) 2 , d ) 3 , e ) 4

Output: c


Input: Consider Input: Problem: a number x is multiplied with itself and then added to the product of 4 and x . if the result of these two operations is - 3 , what is the value of x ? 
Options: a ) - 4 , b ) - 1 and - 3 , c ) 2 , d ) 4 , e ) can not be determined .

Output: b


Input: Consider Input: Problem: find the least number which when divided by 34 and 5 leaves a remainder of 4 in each case . 
Options: a ) 170 , b ) 172 , c ) 174 , d ) 176 , e ) 178


Output: c