Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 232 · 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 August is a Sunday, what day of the week is 15 August? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
2. 2.If 13 July is a Saturday, what day of the week is 26 July? (a) Saturday (b) Friday (c) Thursday (d) Sunday
3. 3.Today is Friday. What day of the week will it be after 12 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
4. 4.Today is Saturday. What day of the week will it be after 26 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
5. 5.If 18 September is a Tuesday, what day of the week is 18 October? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
6. 6.If 8 July is a Thursday, what day of the week is 23 July? (a) Thursday (b) Sunday (c) Friday (d) Saturday
7. 7.If 16 October is a Monday, what day of the week is 3 November? (a) Sunday (b) Thursday (c) Saturday (d) Friday
8. 8.If 24 April is a Monday, what day of the week is 2 May? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
9. 9.If 28 August is a Saturday, what day of the week is 4 September? (a) Sunday (b) Monday (c) Saturday (d) Friday
10. 10.If 23 July is a Wednesday, what day of the week is 15 August? (a) Thursday (b) Friday (c) Sunday (d) Saturday
11. 11.If 14 July is a Monday, what day of the week is 28 July? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
12. 12.If 5 January is a Thursday, what day of the week is 19 January? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
13. 13.If 28 April is a Thursday, what day of the week is 13 May? (a) Thursday (b) Saturday (c) Sunday (d) Friday
14. 14.Today is Thursday. What day of the week will it be after 37 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
15. 15.If 3 October is a Wednesday, what day of the week is 14 October? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
16. 16.If 8 January is a Wednesday, what day of the week is 17 January? (a) Sunday (b) Saturday (c) Thursday (d) Friday
17. 17.Today is Friday. What day of the week will it be after 97 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
18. 18.If 20 May is a Friday, what day of the week is 18 June? (a) Sunday (b) Monday (c) Saturday (d) Friday
19. 19.Today is Wednesday. What day of the week will it be after 24 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
20. 20.If 25 July is a Saturday, what day of the week is 1 August? (a) Saturday (b) Sunday (c) Monday (d) Friday
21. 21.If 15 May is a Thursday, what day of the week is 24 May? (a) Monday (b) Saturday (c) Sunday (d) Friday
22. 22.If 4 January is a Wednesday, what day of the week is 14 January? (a) Friday (b) Monday (c) Sunday (d) Saturday
23. 23.Today is Sunday. What day of the week will it be after 85 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
24. 24.If 6 December is a Thursday, what day of the week is 16 December? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
25. 25.Today is Tuesday. What day of the week will it be after 58 days? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
26. 26.If 13 January is a Tuesday, what day of the week is 21 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
27. 27.If 23 July is a Monday, what day of the week is 6 August? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
28. 28.If 15 December is a Wednesday, what day of the week is 30 December? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
29. 29.If 2 October is a Saturday, what day of the week is 17 October? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
30. 30.If 3 December is a Tuesday, what day of the week is 13 December? (a) Friday (b) Thursday (c) Sunday (d) Saturday
31. 31.If 13 March is a Tuesday, what day of the week is 29 March? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
32. 32.If 31 July is a Tuesday, what day of the week is 9 August? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
33. 33.Today is Thursday. What day of the week will it be after 68 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
34. 34.If 6 October is a Monday, what day of the week is 17 October? (a) Saturday (b) Sunday (c) Thursday (d) Friday
35. 35.If 13 December is a Sunday, what day of the week is 22 December? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
36. 36.If 21 September is a Sunday, what day of the week is 17 October? (a) Sunday (b) Thursday (c) Saturday (d) Friday
37. 37.If 10 March is a Saturday, what day of the week is 19 April? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
38. 38.Today is Thursday. What day of the week will it be after 86 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
39. 39.Today is Wednesday. What day of the week will it be after 58 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
40. 40.If 12 July is a Monday, what day of the week is 20 August? (a) Thursday (b) Saturday (c) Sunday (d) Friday

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