Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 493 · 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 Wednesday. What day of the week will it be after 35 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
2. 2.If 5 December is a Friday, what day of the week is 13 December? (a) Sunday (b) Saturday (c) Monday (d) Friday
3. 3.Today is Thursday. What day of the week will it be after 73 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
4. 4.If 15 January is a Thursday, what day of the week is 8 February? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
5. 5.If 16 September is a Thursday, what day of the week is 18 October? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
6. 6.If 1 March is a Saturday, what day of the week is 13 March? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
7. 7.Today is Thursday. What day of the week will it be after 83 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
8. 8.If 14 September is a Thursday, what day of the week is 10 October? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
9. 9.If 21 July is a Saturday, what day of the week is 5 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
10. 10.If 7 July is a Wednesday, what day of the week is 16 July? (a) Thursday (b) Saturday (c) Sunday (d) Friday
11. 11.If 16 April is a Wednesday, what day of the week is 11 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
12. 12.If 13 March is a Friday, what day of the week is 22 March? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
13. 13.If 15 April is a Tuesday, what day of the week is 16 May? (a) Saturday (b) Sunday (c) Thursday (d) Friday
14. 14.If 5 January is a Sunday, what day of the week is 14 January? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
15. 15.If 2 May is a Sunday, what day of the week is 12 May? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
16. 16.If 29 March is a Friday, what day of the week is 4 April? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
17. 17.If 16 August is a Monday, what day of the week is 14 September? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
18. 18.If 12 September is a Sunday, what day of the week is 1 October? (a) Friday (b) Thursday (c) Saturday (d) Sunday
19. 19.If 13 November is a Monday, what day of the week is 18 December? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
20. 20.Today is Thursday. What day of the week will it be after 76 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
21. 21.If 10 March is a Tuesday, what day of the week is 21 March? (a) Friday (b) Monday (c) Saturday (d) Sunday
22. 22.If 4 March is a Saturday, what day of the week is 12 March? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
23. 23.If 15 March is a Monday, what day of the week is 29 March? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
24. 24.Today is Tuesday. What day of the week will it be after 53 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
25. 25.If 28 November is a Sunday, what day of the week is 1 December? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
26. 26.Today is Tuesday. What day of the week will it be after 77 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
27. 27.If 13 January is a Tuesday, what day of the week is 22 January? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
28. 28.If 13 December is a Thursday, what day of the week is 29 December? (a) Monday (b) Friday (c) Saturday (d) Sunday
29. 29.Today is Friday. What day of the week will it be after 65 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
30. 30.If 23 July is a Tuesday, what day of the week is 12 August? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
31. 31.If 11 March is a Monday, what day of the week is 21 March? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
32. 32.Today is Sunday. What day of the week will it be after 21 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
33. 33.If 12 March is a Saturday, what day of the week is 27 March? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
34. 34.If 19 August is a Friday, what day of the week is 9 September? (a) Saturday (b) Thursday (c) Sunday (d) Friday
35. 35.Today is Friday. What day of the week will it be after 68 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
36. 36.If 15 October is a Monday, what day of the week is 27 October? (a) Sunday (b) Monday (c) Saturday (d) Friday
37. 37.If 18 June is a Saturday, what day of the week is 12 July? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
38. 38.If 5 December is a Sunday, what day of the week is 16 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
39. 39.If 11 March is a Tuesday, what day of the week is 25 March? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
40. 40.If 22 October is a Tuesday, what day of the week is 6 November? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday

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