Number Words

Question 1

200th anniversary

Answer 1

Bicentennial

Question 2

Two of a kind; pair; couple

Answer 2

Brace

Question 3

One who is 100 or older

Answer 3

Centenarian

Question 4

100th anniversary

Answer 4

Centennial

Question 5

Period of ten years

Answer 5

Decade

Question 6

Track-and-field contest consisting of ten events

Answer 6

Decathlon

Question 7

Destroy ten percent or more or a large portion of

Answer 7

Decimate

Question 8

Division in two; split

Answer 8

Dichotomy

Question 9

Measure of water depth equaling six feet

Answer 9

Fathom

Question 10

Period of fourteen days; two weeks

Answer 10

Fortnight

Question 11

1000 years; 1000th anniversary

Answer 11

Millennium

Question 12

Person in his or her nineties

Answer 12

Nonagenarian

Question 13

Person in his or her eighties

Answer 13

Octogenarian

Question 14

Plane figure with five sides and five angles

Answer 14

Pentagon

Question 15

Victor’s margin over the runner-up when no candidate has a majority of the votes

Answer 15

Plurality

Question 16

Occurring or being done every four years

Answer 16

Quadrennial

Question 17

Four-footed animal

Answer 17

Quadruped

Question 18

Group of twenty; twenty

Answer 18

Score

Question 19

Person in his or her seventies

Answer 19

Septuagenarian

Question 20

150th anniversary

Answer 20

Sesquicentennial

Question 21

Person in his or her sixties

Answer 21

Sexagenarian

Question 22

300th anniversary

Answer 22

Tercentennial

Question 23

One-tenth; tenth part of a person’s income paid as a contribution or tax to support a religious establishment

Answer 23

Tithe

Question 24

Multiply by three; triple

Answer 24

Treble

Question 25

Ruling body of three, troika

Answer 25

Triumvirate

Question 26

Thirteen (bakers, for fair measure, used to add an extra roll to each dozen sold)

Answer 26

Baker’s dozen