Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 419 · 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 12 January is a Sunday, what day of the week is 26 January? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
2. 2.Today is Monday. What day of the week will it be after 79 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
3. 3.Today is Wednesday. What day of the week will it be after 79 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
4. 4.If 19 July is a Saturday, what day of the week is 2 August? (a) Friday (b) Monday (c) Sunday (d) Saturday
5. 5.If 9 May is a Wednesday, what day of the week is 20 May? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
6. 6.If 12 September is a Friday, what day of the week is 10 October? (a) Friday (b) Thursday (c) Sunday (d) Saturday
7. 7.Today is Sunday. What day of the week will it be after 11 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
8. 8.Today is Saturday. What day of the week will it be after 33 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
9. 9.If 28 November is a Wednesday, what day of the week is 19 December? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
10. 10.If 11 July is a Sunday, what day of the week is 8 August? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
11. 11.If 3 July is a Thursday, what day of the week is 15 July? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
12. 12.If 23 September is a Saturday, what day of the week is 5 October? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
13. 13.Today is Friday. What day of the week will it be after 45 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
14. 14.Today is Monday. What day of the week will it be after 65 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
15. 15.Today is Sunday. What day of the week will it be after 27 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
16. 16.If 13 October is a Tuesday, what day of the week is 26 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
17. 17.If 21 January is a Friday, what day of the week is 8 February? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
18. 18.If 4 December is a Tuesday, what day of the week is 15 December? (a) Monday (b) Sunday (c) Friday (d) Saturday
19. 19.If 4 January is a Sunday, what day of the week is 20 January? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
20. 20.Today is Friday. What day of the week will it be after 35 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
21. 21.If 11 April is a Thursday, what day of the week is 14 May? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
22. 22.Today is Thursday. What day of the week will it be after 24 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
23. 23.If 4 July is a Saturday, what day of the week is 14 July? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
24. 24.If 10 January is a Tuesday, what day of the week is 17 February? (a) Friday (b) Saturday (c) Sunday (d) Thursday
25. 25.Today is Tuesday. What day of the week will it be after 39 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
26. 26.Today is Monday. What day of the week will it be after 78 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
27. 27.If 13 May is a Tuesday, what day of the week is 24 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
28. 28.If 23 January is a Wednesday, what day of the week is 5 February? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
29. 29.Today is Tuesday. What day of the week will it be after 56 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
30. 30.If 14 January is a Saturday, what day of the week is 24 January? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
31. 31.If 13 December is a Wednesday, what day of the week is 21 December? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
32. 32.If 8 March is a Saturday, what day of the week is 19 March? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
33. 33.If 12 March is a Sunday, what day of the week is 23 March? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
34. 34.If 8 May is a Wednesday, what day of the week is 22 May? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
35. 35.If 4 May is a Saturday, what day of the week is 17 May? (a) Saturday (b) Thursday (c) Sunday (d) Friday
36. 36.If 7 July is a Friday, what day of the week is 22 July? (a) Monday (b) Friday (c) Sunday (d) Saturday
37. 37.If 12 July is a Tuesday, what day of the week is 20 July? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
38. 38.Today is Sunday. What day of the week will it be after 62 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
39. 39.Today is Wednesday. What day of the week will it be after 27 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
40. 40.If 16 October is a Thursday, what day of the week is 1 November? (a) Sunday (b) Friday (c) Saturday (d) Monday

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