Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 692 · 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 1 October is a Saturday, what day of the week is 14 October? (a) Saturday (b) Friday (c) Thursday (d) Sunday
2. 2.If 15 November is a Wednesday, what day of the week is 12 December? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
3. 3.Today is Saturday. What day of the week will it be after 18 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
4. 4.If 5 December is a Tuesday, what day of the week is 20 December? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
5. 5.If 20 October is a Friday, what day of the week is 5 November? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
6. 6.If 13 May is a Sunday, what day of the week is 5 June? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
7. 7.If 13 October is a Thursday, what day of the week is 29 October? (a) Saturday (b) Sunday (c) Monday (d) Friday
8. 8.If 16 July is a Friday, what day of the week is 4 August? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
9. 9.If 13 July is a Sunday, what day of the week is 22 July? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
10. 10.Today is Saturday. What day of the week will it be after 47 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
11. 11.If 11 March is a Friday, what day of the week is 20 March? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
12. 12.Today is Sunday. What day of the week will it be after 24 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
13. 13.If 10 October is a Saturday, what day of the week is 20 October? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
14. 14.If 5 May is a Wednesday, what day of the week is 18 May? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
15. 15.Today is Monday. What day of the week will it be after 99 days? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
16. 16.If 14 May is a Saturday, what day of the week is 25 May? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
17. 17.If 27 November is a Monday, what day of the week is 2 December? (a) Friday (b) Monday (c) Sunday (d) Saturday
18. 18.If 12 January is a Thursday, what day of the week is 21 January? (a) Sunday (b) Saturday (c) Monday (d) Friday
19. 19.If 14 September is a Saturday, what day of the week is 5 October? (a) Sunday (b) Friday (c) Saturday (d) Monday
20. 20.If 18 May is a Sunday, what day of the week is 7 June? (a) Monday (b) Saturday (c) Sunday (d) Friday
21. 21.Today is Wednesday. What day of the week will it be after 69 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
22. 22.If 10 January is a Friday, what day of the week is 19 January? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
23. 23.If 5 March is a Wednesday, what day of the week is 13 March? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
24. 24.Today is Friday. What day of the week will it be after 65 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
25. 25.If 11 October is a Sunday, what day of the week is 21 October? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
26. 26.Today is Monday. What day of the week will it be after 89 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
27. 27.If 8 May is a Wednesday, what day of the week is 22 May? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
28. 28.Today is Sunday. What day of the week will it be after 26 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
29. 29.If 25 July is a Monday, what day of the week is 2 August? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
30. 30.If 7 March is a Wednesday, what day of the week is 18 March? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
31. 31.Today is Sunday. What day of the week will it be after 100 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
32. 32.If 11 August is a Saturday, what day of the week is 2 September? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
33. 33.If 11 October is a Sunday, what day of the week is 11 November? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
34. 34.Today is Tuesday. What day of the week will it be after 44 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
35. 35.If 4 May is a Wednesday, what day of the week is 18 May? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
36. 36.Today is Saturday. What day of the week will it be after 32 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
37. 37.If 10 March is a Thursday, what day of the week is 20 April? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
38. 38.If 4 May is a Monday, what day of the week is 19 May? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
39. 39.If 3 October is a Saturday, what day of the week is 17 October? (a) Saturday (b) Monday (c) Friday (d) Sunday
40. 40.Today is Monday. What day of the week will it be after 88 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday

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