Question

please tell the answer of this question

Answer 1

b is the answer..........

Answer 2

Let the number be X
now,it's three fourth=3/4X
it's one third=1/3X
now, according to question,
3/4X=1/3X+60
-1/3X+3/4X=60
5/12X=60
X=144
Ans=144