Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 608 · 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 80 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
2. 2.Today is Saturday. What day of the week will it be after 100 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
3. 3.If 15 March is a Thursday, what day of the week is 10 April? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
4. 4.If 14 May is a Tuesday, what day of the week is 2 June? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
5. 5.If 1 December is a Sunday, what day of the week is 13 December? (a) Saturday (b) Thursday (c) Friday (d) Sunday
6. 6.Today is Wednesday. What day of the week will it be after 64 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
7. 7.If 1 December is a Saturday, what day of the week is 12 December? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
8. 8.Today is Thursday. What day of the week will it be after 85 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
9. 9.If 15 August is a Saturday, what day of the week is 23 August? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
10. 10.If 6 October is a Wednesday, what day of the week is 22 October? (a) Thursday (b) Sunday (c) Friday (d) Saturday
11. 11.Today is Friday. What day of the week will it be after 78 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
12. 12.If 2 January is a Sunday, what day of the week is 12 January? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
13. 13.If 19 June is a Tuesday, what day of the week is 19 July? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
14. 14.If 13 January is a Sunday, what day of the week is 27 January? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
15. 15.If 13 September is a Sunday, what day of the week is 15 October? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
16. 16.If 22 September is a Thursday, what day of the week is 2 October? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
17. 17.If 3 May is a Thursday, what day of the week is 18 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
18. 18.If 2 January is a Monday, what day of the week is 15 January? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
19. 19.If 13 August is a Tuesday, what day of the week is 24 August? (a) Friday (b) Saturday (c) Monday (d) Sunday
20. 20.Today is Friday. What day of the week will it be after 20 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
21. 21.Today is Monday. What day of the week will it be after 56 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
22. 22.If 12 October is a Sunday, what day of the week is 15 November? (a) Sunday (b) Monday (c) Friday (d) Saturday
23. 23.If 8 March is a Monday, what day of the week is 16 March? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
24. 24.If 5 January is a Friday, what day of the week is 20 January? (a) Monday (b) Saturday (c) Sunday (d) Friday
25. 25.Today is Monday. What day of the week will it be after 65 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
26. 26.If 14 July is a Sunday, what day of the week is 6 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
27. 27.If 29 August is a Monday, what day of the week is 9 September? (a) Saturday (b) Thursday (c) Friday (d) Sunday
28. 28.Today is Thursday. What day of the week will it be after 51 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
29. 29.If 19 July is a Saturday, what day of the week is 7 August? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
30. 30.Today is Thursday. What day of the week will it be after 45 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
31. 31.Today is Thursday. What day of the week will it be after 82 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
32. 32.If 10 July is a Monday, what day of the week is 19 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
33. 33.Today is Wednesday. What day of the week will it be after 38 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
34. 34.If 2 May is a Thursday, what day of the week is 17 May? (a) Thursday (b) Friday (c) Sunday (d) Saturday
35. 35.If 8 August is a Monday, what day of the week is 23 August? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
36. 36.Today is Saturday. What day of the week will it be after 78 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
37. 37.If 4 January is a Tuesday, what day of the week is 12 January? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
38. 38.If 11 May is a Sunday, what day of the week is 25 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
39. 39.If 13 May is a Friday, what day of the week is 25 May? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
40. 40.If 3 May is a Wednesday, what day of the week is 12 May? (a) Sunday (b) Thursday (c) Saturday (d) Friday

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