We have $$3$$ prime numbers between $$40$$ and $$50$$: $$41$$, $$43$$, $$47$$, so we choose $$\text{C}$$. 
Find the greatest prime number that is smaller than $$50$$. 

[1] $$43$$ 
[2] $$45$$ 
[3] $$47$$ 
[4] $$49$$ 