Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 38 · 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 March is a Sunday, what day of the week is 9 March? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
2. 2.If 11 March is a Thursday, what day of the week is 24 March? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
3. 3.Today is Wednesday. What day of the week will it be after 98 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
4. 4.If 5 October is a Saturday, what day of the week is 13 October? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
5. 5.If 16 January is a Tuesday, what day of the week is 11 February? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
6. 6.If 3 January is a Saturday, what day of the week is 14 January? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
7. 7.If 10 March is a Friday, what day of the week is 18 March? (a) Sunday (b) Monday (c) Saturday (d) Friday
8. 8.If 17 May is a Friday, what day of the week is 18 June? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
9. 9.If 8 October is a Tuesday, what day of the week is 17 October? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
10. 10.Today is Wednesday. What day of the week will it be after 36 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
11. 11.If 5 January is a Thursday, what day of the week is 17 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
12. 12.If 30 May is a Monday, what day of the week is 4 June? (a) Friday (b) Sunday (c) Saturday (d) Monday
13. 13.Today is Tuesday. What day of the week will it be after 14 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
14. 14.Today is Tuesday. What day of the week will it be after 33 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
15. 15.If 20 March is a Wednesday, what day of the week is 14 April? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
16. 16.If 16 May is a Wednesday, what day of the week is 12 June? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
17. 17.Today is Monday. What day of the week will it be after 22 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
18. 18.Today is Tuesday. What day of the week will it be after 39 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
19. 19.If 26 August is a Saturday, what day of the week is 13 September? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
20. 20.If 10 December is a Saturday, what day of the week is 20 December? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
21. 21.If 10 July is a Saturday, what day of the week is 26 July? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
22. 22.Today is Tuesday. What day of the week will it be after 89 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
23. 23.If 27 August is a Tuesday, what day of the week is 6 September? (a) Sunday (b) Thursday (c) Saturday (d) Friday
24. 24.If 4 March is a Sunday, what day of the week is 18 March? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
25. 25.If 13 October is a Tuesday, what day of the week is 27 October? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
26. 26.If 7 March is a Sunday, what day of the week is 18 March? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
27. 27.If 3 January is a Tuesday, what day of the week is 16 January? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
28. 28.If 4 March is a Tuesday, what day of the week is 19 March? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
29. 29.If 15 March is a Sunday, what day of the week is 1 April? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
30. 30.If 5 August is a Tuesday, what day of the week is 14 August? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
31. 31.Today is Sunday. What day of the week will it be after 26 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
32. 32.If 4 August is a Thursday, what day of the week is 15 August? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
33. 33.Today is Wednesday. What day of the week will it be after 21 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
34. 34.If 8 January is a Saturday, what day of the week is 16 January? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
35. 35.If 22 June is a Saturday, what day of the week is 5 July? (a) Friday (b) Sunday (c) Thursday (d) Saturday
36. 36.If 4 December is a Thursday, what day of the week is 20 December? (a) Friday (b) Sunday (c) Monday (d) Saturday
37. 37.If 26 August is a Sunday, what day of the week is 1 September? (a) Sunday (b) Saturday (c) Monday (d) Friday
38. 38.If 1 December is a Monday, what day of the week is 13 December? (a) Friday (b) Saturday (c) Monday (d) Sunday
39. 39.If 15 July is a Monday, what day of the week is 27 July? (a) Monday (b) Friday (c) Saturday (d) Sunday
40. 40.Today is Tuesday. What day of the week will it be after 53 days? (a) Monday (b) Friday (c) Saturday (d) Sunday

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