Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 363 · 40 questions

How to solve it (Throw away the weeks): Count the days between the two dates (use the month lengths: 30 or 31, February 28 in an ordinary year). Divide by 7: whole weeks do not change the day; the remainder does. Count the remainder on from the starting day.

1. 1.If 5 October is a Monday, what day of the week is 18 October? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
2. 2.If 10 July is a Saturday, what day of the week is 24 July? (a) Friday (b) Monday (c) Sunday (d) Saturday
3. 3.Today is Friday. What day of the week will it be after 33 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
4. 4.If 13 May is a Tuesday, what day of the week is 3 June? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
5. 5.If 1 December is a Tuesday, what day of the week is 13 December? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
6. 6.If 5 May is a Monday, what day of the week is 18 May? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
7. 7.If 12 October is a Friday, what day of the week is 23 October? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
8. 8.Today is Monday. What day of the week will it be after 80 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
9. 9.If 11 May is a Monday, what day of the week is 19 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
10. 10.Today is Sunday. What day of the week will it be after 83 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
11. 11.Today is Wednesday. What day of the week will it be after 44 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
12. 12.Today is Tuesday. What day of the week will it be after 16 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
13. 13.If 28 June is a Sunday, what day of the week is 3 July? (a) Saturday (b) Thursday (c) Sunday (d) Friday
14. 14.If 15 August is a Sunday, what day of the week is 28 August? (a) Sunday (b) Friday (c) Saturday (d) Monday
15. 15.Today is Friday. What day of the week will it be after 96 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
16. 16.Today is Tuesday. What day of the week will it be after 64 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
17. 17.If 10 June is a Friday, what day of the week is 6 July? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
18. 18.If 27 August is a Thursday, what day of the week is 1 September? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
19. 19.If 4 January is a Tuesday, what day of the week is 18 January? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
20. 20.If 30 July is a Friday, what day of the week is 12 August? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
21. 21.If 10 January is a Friday, what day of the week is 24 January? (a) Thursday (b) Friday (c) Saturday (d) Sunday
22. 22.If 6 March is a Monday, what day of the week is 16 March? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
23. 23.If 11 December is a Thursday, what day of the week is 24 December? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
24. 24.If 17 August is a Tuesday, what day of the week is 11 September? (a) Monday (b) Friday (c) Saturday (d) Sunday
25. 25.If 12 August is a Monday, what day of the week is 3 September? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
26. 26.Today is Sunday. What day of the week will it be after 40 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday
27. 27.Today is Wednesday. What day of the week will it be after 10 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
28. 28.If 10 December is a Friday, what day of the week is 21 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
29. 29.If 2 January is a Monday, what day of the week is 10 January? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
30. 30.If 28 August is a Monday, what day of the week is 11 September? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
31. 31.If 31 March is a Friday, what day of the week is 4 April? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
32. 32.If 29 May is a Sunday, what day of the week is 5 June? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
33. 33.If 31 March is a Sunday, what day of the week is 11 April? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
34. 34.If 26 June is a Sunday, what day of the week is 4 July? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
35. 35.If 4 August is a Sunday, what day of the week is 16 August? (a) Sunday (b) Saturday (c) Friday (d) Thursday
36. 36.If 11 March is a Saturday, what day of the week is 21 March? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
37. 37.If 31 March is a Monday, what day of the week is 12 April? (a) Monday (b) Friday (c) Sunday (d) Saturday
38. 38.If 15 July is a Wednesday, what day of the week is 7 August? (a) Sunday (b) Saturday (c) Thursday (d) Friday
39. 39.Today is Tuesday. What day of the week will it be after 86 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
40. 40.Today is Saturday. What day of the week will it be after 24 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday

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