Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 30 · 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 15 January is a Monday, what day of the week is 31 January? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
2. 2.Today is Tuesday. What day of the week will it be after 22 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
3. 3.If 15 March is a Thursday, what day of the week is 1 April? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
4. 4.If 13 July is a Monday, what day of the week is 13 August? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
5. 5.If 6 December is a Monday, what day of the week is 20 December? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
6. 6.Today is Sunday. What day of the week will it be after 82 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
7. 7.Today is Monday. What day of the week will it be after 33 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
8. 8.If 21 March is a Wednesday, what day of the week is 1 April? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
9. 9.If 14 December is a Sunday, what day of the week is 30 December? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
10. 10.If 17 May is a Saturday, what day of the week is 6 June? (a) Thursday (b) Friday (c) Saturday (d) Sunday
11. 11.If 6 October is a Sunday, what day of the week is 16 October? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
12. 12.If 17 January is a Tuesday, what day of the week is 17 February? (a) Thursday (b) Sunday (c) Saturday (d) Friday
13. 13.Today is Monday. What day of the week will it be after 26 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
14. 14.Today is Sunday. What day of the week will it be after 15 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
15. 15.If 12 January is a Wednesday, what day of the week is 22 January? (a) Monday (b) Friday (c) Sunday (d) Saturday
16. 16.Today is Sunday. What day of the week will it be after 65 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
17. 17.If 9 March is a Monday, what day of the week is 17 March? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
18. 18.If 11 March is a Monday, what day of the week is 13 April? (a) Sunday (b) Friday (c) Saturday (d) Monday
19. 19.If 1 May is a Thursday, what day of the week is 17 May? (a) Monday (b) Saturday (c) Friday (d) Sunday
20. 20.If 4 May is a Friday, what day of the week is 20 May? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
21. 21.Today is Monday. What day of the week will it be after 68 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
22. 22.If 8 May is a Wednesday, what day of the week is 22 May? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
23. 23.If 28 June is a Tuesday, what day of the week is 16 July? (a) Monday (b) Saturday (c) Friday (d) Sunday
24. 24.If 9 January is a Thursday, what day of the week is 21 January? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
25. 25.If 4 July is a Monday, what day of the week is 15 July? (a) Friday (b) Thursday (c) Sunday (d) Saturday
26. 26.If 15 November is a Sunday, what day of the week is 6 December? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
27. 27.If 2 July is a Wednesday, what day of the week is 10 July? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
28. 28.Today is Saturday. What day of the week will it be after 19 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
29. 29.If 5 October is a Friday, what day of the week is 13 October? (a) Friday (b) Saturday (c) Monday (d) Sunday
30. 30.Today is Wednesday. What day of the week will it be after 82 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
31. 31.Today is Friday. What day of the week will it be after 29 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
32. 32.If 27 May is a Wednesday, what day of the week is 5 June? (a) Sunday (b) Saturday (c) Friday (d) Thursday
33. 33.If 14 May is a Sunday, what day of the week is 23 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
34. 34.If 11 July is a Sunday, what day of the week is 20 July? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
35. 35.If 26 September is a Saturday, what day of the week is 20 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
36. 36.If 1 May is a Tuesday, what day of the week is 16 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
37. 37.Today is Wednesday. What day of the week will it be after 22 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
38. 38.If 11 October is a Friday, what day of the week is 8 November? (a) Saturday (b) Thursday (c) Sunday (d) Friday
39. 39.If 7 July is a Tuesday, what day of the week is 22 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
40. 40.If 8 August is a Saturday, what day of the week is 16 August? (a) Monday (b) Sunday (c) Tuesday (d) Saturday

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