if (square root) 1+25/144= 1+x/12 then the value of x is

a)5 b)13 c)1 d)17

See Square Root Of 1 = 1 , 25 = 5 And 144 =  12

So Square Root 1+25/144 = 1+5/12

=> 1+5/12 = 1+x/12

=> 17/12 = 1+x/12

=> 5/12 = x/12

=> x = 5

So Answer - a)