Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 52 · 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 12 January is a Saturday, what day of the week is 22 January? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
2. 2.Today is Sunday. What day of the week will it be after 52 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
3. 3.If 30 April is a Friday, what day of the week is 1 May? (a) Friday (b) Sunday (c) Saturday (d) Monday
4. 4.If 26 October is a Saturday, what day of the week is 19 November? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
5. 5.If 5 July is a Tuesday, what day of the week is 20 July? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
6. 6.Today is Saturday. What day of the week will it be after 21 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
7. 7.If 15 December is a Thursday, what day of the week is 23 December? (a) Thursday (b) Sunday (c) Saturday (d) Friday
8. 8.If 2 January is a Sunday, what day of the week is 15 January? (a) Friday (b) Sunday (c) Monday (d) Saturday
9. 9.Today is Friday. What day of the week will it be after 30 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
10. 10.Today is Sunday. What day of the week will it be after 10 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
11. 11.Today is Tuesday. What day of the week will it be after 23 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
12. 12.Today is Thursday. What day of the week will it be after 39 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
13. 13.If 11 July is a Monday, what day of the week is 23 July? (a) Sunday (b) Monday (c) Saturday (d) Friday
14. 14.If 3 August is a Tuesday, what day of the week is 16 August? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
15. 15.Today is Monday. What day of the week will it be after 19 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
16. 16.Today is Sunday. What day of the week will it be after 71 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
17. 17.Today is Monday. What day of the week will it be after 50 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
18. 18.If 13 September is a Wednesday, what day of the week is 13 October? (a) Friday (b) Saturday (c) Sunday (d) Thursday
19. 19.Today is Saturday. What day of the week will it be after 58 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
20. 20.Today is Thursday. What day of the week will it be after 17 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
21. 21.If 14 July is a Friday, what day of the week is 24 July? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
22. 22.If 8 August is a Friday, what day of the week is 18 August? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
23. 23.If 15 July is a Tuesday, what day of the week is 14 August? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
24. 24.If 12 May is a Tuesday, what day of the week is 26 May? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
25. 25.Today is Monday. What day of the week will it be after 16 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
26. 26.If 15 January is a Sunday, what day of the week is 5 February? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
27. 27.Today is Friday. What day of the week will it be after 95 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
28. 28.If 1 October is a Tuesday, what day of the week is 9 October? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
29. 29.If 11 January is a Thursday, what day of the week is 19 January? (a) Sunday (b) Thursday (c) Saturday (d) Friday
30. 30.Today is Tuesday. What day of the week will it be after 65 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
31. 31.Today is Wednesday. What day of the week will it be after 40 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
32. 32.Today is Saturday. What day of the week will it be after 32 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
33. 33.Today is Wednesday. What day of the week will it be after 11 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
34. 34.If 31 May is a Thursday, what day of the week is 13 June? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
35. 35.If 13 March is a Saturday, what day of the week is 22 March? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
36. 36.Today is Tuesday. What day of the week will it be after 48 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
37. 37.If 10 January is a Friday, what day of the week is 4 February? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
38. 38.Today is Tuesday. What day of the week will it be after 83 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
39. 39.If 11 May is a Tuesday, what day of the week is 21 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
40. 40.If 15 November is a Tuesday, what day of the week is 4 December? (a) Tuesday (b) Saturday (c) Monday (d) Sunday

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