Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 436 · 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.Today is Sunday. What day of the week will it be after 16 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
2. 2.Today is Friday. What day of the week will it be after 31 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
3. 3.If 9 July is a Sunday, what day of the week is 19 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
4. 4.If 2 March is a Friday, what day of the week is 12 March? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
5. 5.If 8 December is a Friday, what day of the week is 20 December? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
6. 6.If 20 July is a Monday, what day of the week is 10 August? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
7. 7.If 30 March is a Saturday, what day of the week is 11 April? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
8. 8.If 4 January is a Sunday, what day of the week is 12 January? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
9. 9.If 27 August is a Friday, what day of the week is 11 September? (a) Saturday (b) Friday (c) Sunday (d) Monday
10. 10.If 16 March is a Tuesday, what day of the week is 17 April? (a) Saturday (b) Sunday (c) Monday (d) Friday
11. 11.If 11 May is a Tuesday, what day of the week is 21 May? (a) Thursday (b) Saturday (c) Friday (d) Sunday
12. 12.If 3 March is a Saturday, what day of the week is 18 March? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
13. 13.If 12 May is a Tuesday, what day of the week is 23 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
14. 14.If 15 July is a Monday, what day of the week is 27 July? (a) Saturday (b) Sunday (c) Monday (d) Friday
15. 15.If 28 October is a Wednesday, what day of the week is 8 November? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
16. 16.If 13 March is a Tuesday, what day of the week is 15 April? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
17. 17.Today is Thursday. What day of the week will it be after 15 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
18. 18.If 13 March is a Thursday, what day of the week is 25 March? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
19. 19.Today is Monday. What day of the week will it be after 72 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
20. 20.If 13 April is a Sunday, what day of the week is 10 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
21. 21.If 29 May is a Wednesday, what day of the week is 1 June? (a) Monday (b) Friday (c) Saturday (d) Sunday
22. 22.Today is Friday. What day of the week will it be after 80 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
23. 23.If 30 October is a Sunday, what day of the week is 9 November? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
24. 24.If 3 January is a Tuesday, what day of the week is 11 January? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
25. 25.Today is Sunday. What day of the week will it be after 48 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
26. 26.Today is Monday. What day of the week will it be after 20 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
27. 27.Today is Wednesday. What day of the week will it be after 15 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
28. 28.If 5 December is a Tuesday, what day of the week is 20 December? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
29. 29.Today is Monday. What day of the week will it be after 15 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
30. 30.If 24 March is a Tuesday, what day of the week is 20 April? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
31. 31.If 24 September is a Friday, what day of the week is 9 October? (a) Monday (b) Friday (c) Saturday (d) Sunday
32. 32.If 20 May is a Saturday, what day of the week is 13 June? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
33. 33.If 23 October is a Tuesday, what day of the week is 7 November? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
34. 34.If 8 March is a Tuesday, what day of the week is 20 March? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
35. 35.If 13 July is a Sunday, what day of the week is 2 August? (a) Sunday (b) Saturday (c) Friday (d) Monday
36. 36.If 14 July is a Saturday, what day of the week is 14 August? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
37. 37.If 5 July is a Monday, what day of the week is 18 July? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
38. 38.If 21 June is a Thursday, what day of the week is 10 July? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
39. 39.Today is Friday. What day of the week will it be after 33 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
40. 40.If 12 July is a Tuesday, what day of the week is 23 July? (a) Monday (b) Friday (c) Sunday (d) Saturday

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