Question

Abdul need to prepare for a final exam.he has completed 5 by 12 part of it how much is he left.

Answer 1

there is not given what is whole part to prepare
let it be 'x'
x-5/12 .
now, further, if taking L.C.M
12x-5/12
7x/12 is remaining.

Answer 2

7 parts are lest to complete