The ages of seven girls G1, G2, G3, G4, G5, G6 and G7 are compared. No two girls have the same age. The age of G3 is less than only two girls. The age of G1 is greater than G4 and G7. The age of G6 is the lowest. The age of G5 is not the highest and it is greater than G1.
The age of how many girls is greater than G5?

The ages of seven girls G1, G2, G3, G4, G5, G6 and G7 are compared. No two girls have the same age.

The age of G6 is the lowest.

>>>>>>G6

The age of G3 is less than only two girls.

>>G3>>>>G6
The age of G1 is greater than G4 and G7.  The age of G5 is not the highest and it is greater than G1.

>G5>G3>G1>G4/G7>G7/G4/>G6

Now only G2 is remaining which can be placed on the blank space.

G2>G5>G3>G1>G4/G7>G7/G4/>G6

According to the above arrangement, the age of one girl is greater than G5.