1. If someone is half your age when you are 50, how old were they when you were 25?
Answer: 12

2. At age 25, what milestone birthday is often celebrated as adulthood?
Answer: Quarter-century

3. If you gain a year every birthday, how many birthdays have you had at 25?
Answer: 25

4. At 25, what decade of life are you completing?
Answer: Third decade

5. If your friend is 5 years older than you, how old are they when you’re 25?
Answer: 30

6. What age is considered the prime of youth in many cultures?
Answer: 25

7. If you were born in 2000, how old would you be in 2025?
Answer: 25

8. At 25, how many quarters of a century have you lived?
Answer: One

9. What age is often associated with finishing college and starting work?
Answer: 25

10. If your twin is 2 years younger, how old are they when you’re 25?
Answer: 23

11. At 25, how many months have you lived?
Answer: 300

12. If you double your age at 25, what number do you get?
Answer: 50

13. At 25, how many weeks have you lived approximately?
Answer: 1,300

14. If someone says “I’m a quarter-century old,” how old are they?
Answer: 25

15. At 25, how many days have you lived roughly?
Answer: 9,125

16. If you meet someone 10 years older, how old are they when you’re 25?
Answer: 35

17. What age is often considered the start of adulthood responsibilities?
Answer: 25

18. If your age is half your friend’s age, and you’re 25, how old is your friend?
Answer: 50

19. At 25, how many hours have you lived approximately?
Answer: 219,000

20. What age do many people move out and start living independently?
Answer: 25

21. If you subtract 5 from 25, what age were you five years ago?
Answer: 20

22. At 25, how many seasons of life have you experienced?
Answer: 25

23. If you’re 25, what decade of life is this?
Answer: Third decade

24. At 25, how old will you be in 10 years?
Answer: 35

25. If your friend is 3 years younger, how old are they when you’re 25?
Answer: 22

26. At 25, what fraction of a century have you completed?
Answer: One-fourth

27. If you add 25 to your current age, how old will you be?
Answer: 50

28. At 25, how many decades have you not yet completed?
Answer: 7

29. If someone says they are halfway to 50, how old are they?
Answer: 25

30. At 25, how many months have passed in your third decade?
Answer: 12

31. If you lose 5 years from 25, what age remains?
Answer: 20

32. At 25, how many years until 100?
Answer: 75

33. If you count 25 birthdays, what age are you?
Answer: 25

34. At 25, how many leap years have you experienced roughly?
Answer: 6

35. If your cousin is twice your age at 12.5, how old are you?
Answer: 25

36. At 25, what number comes after 24 in age?
Answer: 25

37. If your pet was born the same year as you, how old are they at 25?
Answer: 25

38. At 25, how many centuries have you not yet completed?
Answer: 0.75

39. If you subtract 10 from your age, how old are you?
Answer: 15

40. At 25, how many birthdays have you celebrated in your life?
Answer: 25

41. If someone is 5 years younger than you, how old are they when you’re 25?
Answer: 20

42. At 25, how many years until 50?
Answer: 25

43. If you were born in 2000, how old are you in 2025?
Answer: 25

44. At 25, what milestone birthday is this considered?
Answer: Quarter-century

45. If your sibling is 30 when you’re 25, how many years older are they?
Answer: 5

46. At 25, how many half-centuries will you reach in your lifetime if you live 100 years?
Answer: 2

47. If someone says they’re 25, what is their age in Roman numerals?
Answer: XXV

48. At 25, how many months have you lived?
Answer: 300

49. If you add your age to 25, what is the sum?
Answer: 50

50. At 25, how many weeks have passed in your life approximately?
Answer: 1,300

51. If you divide 25 by 5, what do you get?
Answer: 5

52. At 25, how many quarters of a century have you completed?
Answer: 1

53. If your friend is twice your age at 12.5, how old are you now?
Answer: 25

54. At 25, what birthday is considered your “mid-twenties”?
Answer: 25th birthday

55. If you subtract 1 from your age each year, how old were you last year?
Answer: 24

56. At 25, what milestone often marks the start of adult independence?
Answer: Quarter-century

57. If you double your age, what age do you reach?
Answer: 50

58. At 25, how many years until you’re 75?
Answer: 50

59. If someone is half your age at 25, how old are they?
Answer: 12.5

60. At 25, how many decades have you lived?
Answer: 2.5

61. If your twin is 3 years older, how old are they when you’re 25?
Answer: 28

62. At 25, how many birthdays have you celebrated?
Answer: 25

63. If someone says they’re a quarter-century old, how old are they?
Answer: 25

64. At 25, how many months have you lived?
Answer: 300

65. If your age is 25, how many weeks have you lived approximately?
Answer: 1,300

66. At 25, how many hours have you lived approximately?
Answer: 219,000

67. If you subtract 10 from your age, how old are you?
Answer: 15

68. At 25, how many years remain until 100?
Answer: 75

69. If your friend is 5 years older, how old are they when you’re 25?
Answer: 30

70. At 25, what fraction of a century have you lived?
Answer: One-fourth

71. If you add 25 to your age, how old will you be?
Answer: 50

72. At 25, what milestone birthday is often celebrated?
Answer: Quarter-century

73. If someone is 2 years younger, how old are they when you’re 25?
Answer: 23

74. At 25, how many decades of life have you completed?
Answer: Two and a half

75. If your age is 25, how many days have you lived approximately?
Answer: 9,125

76. At 25, how many leap years have you lived through roughly?
Answer: 6

77. If someone is half your age when you’re 50, how old were they at 25?
Answer: 12

78. At 25, what age comes after 24?
Answer: 25

79. If your friend is 10 years older, how old are they when you’re 25?
Answer: 35

80. At 25, how many birthdays have you celebrated?
Answer: 25

81. If someone says “I’m a quarter-century old,” how old are they?
Answer: 25

82. At 25, how many months have passed in your life?
Answer: 300

83. If you subtract 5 from your age, how old were you five years ago?
Answer: 20

84. At 25, how many decades are yet to complete in a 100-year life?
Answer: 7.5

85. If your cousin is 2 years older, how old are they when you’re 25?
Answer: 27

86. At 25, how many weeks have you lived approximately?
Answer: 1,300

87. If you double your age, what age do you reach?
Answer: 50

88. At 25, how many years until your 50th birthday?
Answer: 25

89. If someone is half your age at 25, how old are they?
Answer: 12.5

90. At 25, what milestone birthday is celebrated?
Answer: Quarter-century

91. If you subtract 1 year, how old were you last year?
Answer: 24

92. At 25, how many decades have you lived?
Answer: Two and a half

93. If your friend is 3 years younger, how old are they when you’re 25?
Answer: 22

94. At 25, how many months have you lived?
Answer: 300

95. If you add 25 to your age, how old will you be?
Answer: 50

96. At 25, how many hours have you lived approximately?
Answer: 219,000

97. If your twin is 2 years younger, how old are they when you’re 25?
Answer: 23

98. At 25, how many birthdays have you celebrated?
Answer: 25

99. If someone says “quarter-century,” what age is that?
Answer: 25

100. At 25, what milestone is commonly celebrated?
Answer: Quarter-century