$$1-\frac{1}{4}-\frac{1}{3} =\frac{5}{12}$$, $$120\div\frac{5}{12}=288\text{kg}$$. 
A fruit shop brought in some fruit. A quarter of them were sold last week. This week another $120$ kilograms were sold. One third of the original fruit is left now. How many kilos of fruit did the fruit shop buy? 
A) $$150\text{kg}$$ 
B) $$190\text{kg}$$ 
C) $$240\text{kg}$$ 
D) $$288\text{kg}$$ 
E) $$324\text{kg}$$ 