Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 626 · 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 August is a Sunday, what day of the week is 16 August? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
2. 2.Today is Saturday. What day of the week will it be after 81 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
3. 3.Today is Thursday. What day of the week will it be after 77 days? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
4. 4.If 11 March is a Sunday, what day of the week is 9 April? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
5. 5.If 5 January is a Friday, what day of the week is 13 January? (a) Saturday (b) Sunday (c) Friday (d) Monday
6. 6.If 20 September is a Tuesday, what day of the week is 20 October? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
7. 7.If 6 May is a Tuesday, what day of the week is 17 May? (a) Sunday (b) Friday (c) Monday (d) Saturday
8. 8.If 7 January is a Thursday, what day of the week is 16 January? (a) Friday (b) Monday (c) Saturday (d) Sunday
9. 9.If 17 September is a Wednesday, what day of the week is 20 October? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
10. 10.If 16 January is a Sunday, what day of the week is 18 February? (a) Saturday (b) Sunday (c) Friday (d) Thursday
11. 11.If 23 March is a Tuesday, what day of the week is 10 April? (a) Monday (b) Saturday (c) Friday (d) Sunday
12. 12.If 21 August is a Wednesday, what day of the week is 16 September? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
13. 13.If 4 August is a Sunday, what day of the week is 14 August? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
14. 14.Today is Wednesday. What day of the week will it be after 21 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
15. 15.If 10 March is a Friday, what day of the week is 25 March? (a) Friday (b) Monday (c) Sunday (d) Saturday
16. 16.If 12 May is a Saturday, what day of the week is 13 June? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
17. 17.If 11 June is a Friday, what day of the week is 3 July? (a) Saturday (b) Friday (c) Monday (d) Sunday
18. 18.If 2 March is a Thursday, what day of the week is 15 March? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
19. 19.If 27 November is a Thursday, what day of the week is 13 December? (a) Saturday (b) Sunday (c) Friday (d) Monday
20. 20.If 25 May is a Wednesday, what day of the week is 2 June? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
21. 21.If 11 March is a Monday, what day of the week is 24 March? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
22. 22.If 16 September is a Wednesday, what day of the week is 19 October? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
23. 23.Today is Sunday. What day of the week will it be after 59 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
24. 24.If 19 September is a Saturday, what day of the week is 17 October? (a) Saturday (b) Monday (c) Friday (d) Sunday
25. 25.Today is Tuesday. What day of the week will it be after 41 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
26. 26.If 28 March is a Sunday, what day of the week is 12 April? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
27. 27.If 19 October is a Monday, what day of the week is 2 November? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
28. 28.If 12 December is a Thursday, what day of the week is 26 December? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
29. 29.Today is Friday. What day of the week will it be after 52 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
30. 30.Today is Saturday. What day of the week will it be after 72 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
31. 31.If 11 January is a Tuesday, what day of the week is 19 February? (a) Monday (b) Saturday (c) Friday (d) Sunday
32. 32.If 20 May is a Tuesday, what day of the week is 8 June? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
33. 33.If 16 September is a Saturday, what day of the week is 12 October? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
34. 34.Today is Wednesday. What day of the week will it be after 88 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
35. 35.If 13 August is a Wednesday, what day of the week is 23 August? (a) Sunday (b) Monday (c) Friday (d) Saturday
36. 36.If 19 July is a Sunday, what day of the week is 2 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
37. 37.If 10 August is a Saturday, what day of the week is 12 September? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
38. 38.If 7 January is a Thursday, what day of the week is 20 January? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
39. 39.If 20 July is a Wednesday, what day of the week is 19 August? (a) Saturday (b) Friday (c) Thursday (d) Sunday
40. 40.Today is Sunday. What day of the week will it be after 14 days? (a) Tuesday (b) Sunday (c) Saturday (d) Monday

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