The correct option is B 60%
Aggregate marks obtained by Tarun
=[(65% of 150)+(35% of 130)+(50% of 120)+((77% of 100)+(80% of 60)+(80% of 40)]
=[97.5+45.5+60+77+48+32]
=360.
The maximum marks (of all the six subjects)
=(150+130+120+100+60+40)
=600.
∴ Overall percentage of Tarun =(360600×100)% =60%.