Question

41/10-[5/2-{-(2/5+3/10-14/15)}]

Answer 1

11/6 is the answer.
Explanation :

41/10-[5/2-{-(2/5+3/10-14/15)}]
=41/10-[5/2-{-(12+9-28/30)}]
=41/10-[5/2-{-(-7/30)}]
=41/10-[5/2-{7/30}]
=41/10-[5/2-7/30]
=41/10-[75-7/30]
=41/10-68/30
=(123-68)/30
=55/30
=11/6