10 (number)

10 was a number.

The Trojan War lasted for ten years. Cassandra prophecied to Odysseus that it would be ten more years before he would see his home again. (TV: The Myth Makers)

According to Jo Grant, 98 plus 10 was equal to 108. (TV: The Claws of Axos)

People over 65 years of age got a 10% discount on certain days in B&Q by 2005. The Ninth Doctor asked an assistant for the discount, but upon being asked for his age, he deicded against revealing it. (PROSE: Have You Seen This Man?)

Aboard the Parliament of the Daleks, the Eleventh Doctor told Rory Williams that, out of ten, the amount of trouble they were in was eleven. (TV: Asylum of the Daleks) When discussing his regeneration cycle, the Doctor confirmed that he had used up all twelve regenerations, as his previous self, who he called "Number Ten", used two regenerations. (TV: The Time of the Doctor)

The Third Doctor spent ten years wandering through the Time Vortex dying of exposure to radiation on Metebelis III. (PROSE: Love and War)

A man lived with ten cats in (TV: Night Terrors) the Rowbarton Estate. (PROSE: Night Terrors)

The Eleventh General told the Twelfth Doctor that he was on his tenth regeneration. (TV: Hell Bent)

At the onset of the Year of the Slow Invasion, Amy Pond and Rory Williams suspected that, on and off, they had been travelling with the Eleventh Doctor for ten years. (TV: The Power of Three)