Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 600 · 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 Tuesday. What day of the week will it be after 42 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
2. 2.If 17 March is a Wednesday, what day of the week is 9 April? (a) Saturday (b) Friday (c) Thursday (d) Sunday
3. 3.If 15 July is a Tuesday, what day of the week is 7 August? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
4. 4.Today is Monday. What day of the week will it be after 11 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
5. 5.If 14 July is a Wednesday, what day of the week is 26 July? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
6. 6.If 11 August is a Monday, what day of the week is 15 September? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
7. 7.Today is Thursday. What day of the week will it be after 21 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
8. 8.If 14 August is a Thursday, what day of the week is 28 August? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
9. 9.If 14 January is a Saturday, what day of the week is 23 January? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
10. 10.If 14 August is a Sunday, what day of the week is 27 August? (a) Sunday (b) Friday (c) Saturday (d) Monday
11. 11.If 18 April is a Saturday, what day of the week is 19 May? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
12. 12.If 7 August is a Sunday, what day of the week is 17 August? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
13. 13.If 17 September is a Monday, what day of the week is 1 October? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
14. 14.If 6 March is a Saturday, what day of the week is 18 March? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
15. 15.If 4 May is a Saturday, what day of the week is 15 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
16. 16.If 10 October is a Wednesday, what day of the week is 4 November? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
17. 17.Today is Thursday. What day of the week will it be after 85 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
18. 18.If 10 April is a Friday, what day of the week is 4 May? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
19. 19.If 13 June is a Wednesday, what day of the week is 11 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
20. 20.If 8 October is a Tuesday, what day of the week is 18 October? (a) Saturday (b) Friday (c) Sunday (d) Thursday
21. 21.If 14 May is a Sunday, what day of the week is 22 May? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
22. 22.If 14 November is a Thursday, what day of the week is 1 December? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
23. 23.Today is Monday. What day of the week will it be after 15 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
24. 24.If 8 May is a Friday, what day of the week is 23 May? (a) Friday (b) Saturday (c) Sunday (d) Monday
25. 25.If 3 January is a Tuesday, what day of the week is 17 January? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
26. 26.If 2 January is a Saturday, what day of the week is 18 January? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
27. 27.If 13 January is a Monday, what day of the week is 24 January? (a) Thursday (b) Saturday (c) Sunday (d) Friday
28. 28.If 28 May is a Thursday, what day of the week is 16 June? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
29. 29.If 3 July is a Monday, what day of the week is 18 July? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
30. 30.Today is Thursday. What day of the week will it be after 69 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
31. 31.Today is Saturday. What day of the week will it be after 40 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
32. 32.If 21 April is a Thursday, what day of the week is 11 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
33. 33.If 1 January is a Monday, what day of the week is 10 January? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
34. 34.Today is Monday. What day of the week will it be after 17 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
35. 35.If 21 September is a Saturday, what day of the week is 15 October? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
36. 36.Today is Sunday. What day of the week will it be after 44 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
37. 37.If 15 September is a Monday, what day of the week is 10 October? (a) Friday (b) Thursday (c) Sunday (d) Saturday
38. 38.If 1 August is a Friday, what day of the week is 10 August? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
39. 39.Today is Monday. What day of the week will it be after 34 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
40. 40.If 4 March is a Tuesday, what day of the week is 15 March? (a) Sunday (b) Monday (c) Saturday (d) Friday

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