Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 265 · 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 December is a Saturday, what day of the week is 25 December? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
2. 2.Today is Sunday. What day of the week will it be after 34 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
3. 3.Today is Wednesday. What day of the week will it be after 72 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
4. 4.If 1 January is a Friday, what day of the week is 14 January? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
5. 5.If 26 June is a Sunday, what day of the week is 3 July? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
6. 6.If 14 December is a Thursday, what day of the week is 29 December? (a) Thursday (b) Saturday (c) Friday (d) Sunday
7. 7.Today is Tuesday. What day of the week will it be after 35 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
8. 8.If 3 July is a Friday, what day of the week is 11 July? (a) Saturday (b) Friday (c) Monday (d) Sunday
9. 9.If 4 March is a Tuesday, what day of the week is 18 March? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
10. 10.Today is Friday. What day of the week will it be after 51 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
11. 11.If 31 October is a Tuesday, what day of the week is 1 November? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
12. 12.Today is Sunday. What day of the week will it be after 90 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
13. 13.If 27 November is a Monday, what day of the week is 16 December? (a) Sunday (b) Saturday (c) Friday (d) Monday
14. 14.If 25 April is a Sunday, what day of the week is 5 May? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
15. 15.Today is Sunday. What day of the week will it be after 18 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
16. 16.If 6 October is a Monday, what day of the week is 15 October? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
17. 17.If 11 October is a Monday, what day of the week is 22 October? (a) Sunday (b) Saturday (c) Friday (d) Thursday
18. 18.If 11 March is a Friday, what day of the week is 21 March? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
19. 19.If 10 June is a Saturday, what day of the week is 18 July? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
20. 20.If 2 May is a Monday, what day of the week is 13 May? (a) Friday (b) Sunday (c) Saturday (d) Thursday
21. 21.If 8 December is a Monday, what day of the week is 19 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
22. 22.If 14 January is a Wednesday, what day of the week is 18 February? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
23. 23.Today is Saturday. What day of the week will it be after 79 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
24. 24.If 2 January is a Wednesday, what day of the week is 15 January? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
25. 25.If 13 July is a Tuesday, what day of the week is 22 July? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
26. 26.If 12 August is a Wednesday, what day of the week is 24 August? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
27. 27.Today is Sunday. What day of the week will it be after 98 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
28. 28.If 11 August is a Monday, what day of the week is 10 September? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
29. 29.If 19 January is a Saturday, what day of the week is 3 February? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
30. 30.If 1 May is a Wednesday, what day of the week is 10 May? (a) Saturday (b) Thursday (c) Sunday (d) Friday
31. 31.If 4 March is a Monday, what day of the week is 14 March? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
32. 32.If 9 August is a Saturday, what day of the week is 19 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
33. 33.Today is Wednesday. What day of the week will it be after 15 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
34. 34.If 1 October is a Thursday, what day of the week is 17 October? (a) Saturday (b) Monday (c) Friday (d) Sunday
35. 35.If 30 May is a Friday, what day of the week is 9 June? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
36. 36.If 6 January is a Monday, what day of the week is 21 January? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
37. 37.Today is Tuesday. What day of the week will it be after 28 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
38. 38.Today is Saturday. What day of the week will it be after 37 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
39. 39.If 19 September is a Tuesday, what day of the week is 11 October? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
40. 40.Today is Sunday. What day of the week will it be after 74 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday

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