Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 128 · 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 Saturday. What day of the week will it be after 88 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
2. 2.Today is Thursday. What day of the week will it be after 41 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
3. 3.If 25 November is a Monday, what day of the week is 2 December? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
4. 4.If 26 November is a Thursday, what day of the week is 15 December? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
5. 5.If 1 December is a Sunday, what day of the week is 13 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
6. 6.If 23 August is a Friday, what day of the week is 15 September? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
7. 7.Today is Tuesday. What day of the week will it be after 81 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
8. 8.If 13 March is a Saturday, what day of the week is 7 April? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
9. 9.Today is Friday. What day of the week will it be after 26 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
10. 10.Today is Tuesday. What day of the week will it be after 56 days? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
11. 11.If 4 August is a Monday, what day of the week is 14 August? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
12. 12.If 10 July is a Wednesday, what day of the week is 13 August? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
13. 13.If 8 August is a Sunday, what day of the week is 22 August? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
14. 14.If 19 September is a Wednesday, what day of the week is 12 October? (a) Saturday (b) Thursday (c) Friday (d) Sunday
15. 15.If 22 June is a Saturday, what day of the week is 13 July? (a) Sunday (b) Monday (c) Saturday (d) Friday
16. 16.Today is Monday. What day of the week will it be after 84 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
17. 17.Today is Monday. What day of the week will it be after 67 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
18. 18.If 3 January is a Saturday, what day of the week is 16 January? (a) Sunday (b) Thursday (c) Friday (d) Saturday
19. 19.Today is Monday. What day of the week will it be after 48 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
20. 20.Today is Saturday. What day of the week will it be after 63 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
21. 21.If 12 August is a Thursday, what day of the week is 13 September? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
22. 22.Today is Friday. What day of the week will it be after 23 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
23. 23.If 8 December is a Saturday, what day of the week is 19 December? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
24. 24.If 11 December is a Tuesday, what day of the week is 25 December? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
25. 25.If 14 May is a Wednesday, what day of the week is 22 May? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
26. 26.If 23 April is a Tuesday, what day of the week is 4 May? (a) Sunday (b) Saturday (c) Monday (d) Friday
27. 27.If 14 May is a Thursday, what day of the week is 26 May? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
28. 28.If 18 August is a Tuesday, what day of the week is 6 September? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
29. 29.Today is Thursday. What day of the week will it be after 11 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
30. 30.Today is Wednesday. What day of the week will it be after 62 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
31. 31.If 11 May is a Wednesday, what day of the week is 5 June? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
32. 32.If 10 March is a Sunday, what day of the week is 23 March? (a) Monday (b) Saturday (c) Sunday (d) Friday
33. 33.Today is Sunday. What day of the week will it be after 36 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
34. 34.If 14 October is a Wednesday, what day of the week is 26 October? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
35. 35.Today is Friday. What day of the week will it be after 73 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
36. 36.If 16 November is a Friday, what day of the week is 4 December? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
37. 37.If 8 May is a Tuesday, what day of the week is 24 May? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
38. 38.If 12 April is a Sunday, what day of the week is 11 May? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
39. 39.If 9 August is a Friday, what day of the week is 18 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
40. 40.If 18 June is a Sunday, what day of the week is 6 July? (a) Wednesday (b) Saturday (c) Friday (d) Thursday

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