Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 142 · 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 13 June is a Thursday, what day of the week is 13 July? (a) Monday (b) Sunday (c) Friday (d) Saturday
2. 2.If 1 July is a Friday, what day of the week is 13 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
3. 3.If 15 October is a Sunday, what day of the week is 15 November? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
4. 4.Today is Thursday. What day of the week will it be after 80 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
5. 5.Today is Saturday. What day of the week will it be after 76 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
6. 6.If 10 August is a Friday, what day of the week is 25 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
7. 7.If 10 October is a Monday, what day of the week is 22 October? (a) Saturday (b) Sunday (c) Monday (d) Friday
8. 8.Today is Thursday. What day of the week will it be after 66 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
9. 9.If 11 April is a Saturday, what day of the week is 20 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
10. 10.If 23 April is a Sunday, what day of the week is 5 May? (a) Sunday (b) Saturday (c) Friday (d) Thursday
11. 11.Today is Sunday. What day of the week will it be after 48 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
12. 12.Today is Friday. What day of the week will it be after 20 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
13. 13.If 15 April is a Monday, what day of the week is 19 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
14. 14.Today is Sunday. What day of the week will it be after 68 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
15. 15.If 22 January is a Monday, what day of the week is 20 February? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
16. 16.If 25 May is a Wednesday, what day of the week is 10 June? (a) Sunday (b) Thursday (c) Friday (d) Saturday
17. 17.If 26 September is a Friday, what day of the week is 17 October? (a) Saturday (b) Thursday (c) Friday (d) Sunday
18. 18.Today is Sunday. What day of the week will it be after 29 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
19. 19.If 8 December is a Saturday, what day of the week is 18 December? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
20. 20.If 15 January is a Thursday, what day of the week is 15 February? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
21. 21.If 15 December is a Saturday, what day of the week is 27 December? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
22. 22.Today is Thursday. What day of the week will it be after 96 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
23. 23.Today is Monday. What day of the week will it be after 97 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
24. 24.If 20 January is a Tuesday, what day of the week is 7 February? (a) Sunday (b) Friday (c) Monday (d) Saturday
25. 25.Today is Tuesday. What day of the week will it be after 34 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
26. 26.Today is Monday. What day of the week will it be after 22 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
27. 27.Today is Friday. What day of the week will it be after 30 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
28. 28.If 16 August is a Sunday, what day of the week is 11 September? (a) Friday (b) Sunday (c) Thursday (d) Saturday
29. 29.If 12 October is a Monday, what day of the week is 24 October? (a) Saturday (b) Monday (c) Sunday (d) Friday
30. 30.Today is Sunday. What day of the week will it be after 72 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
31. 31.Today is Monday. What day of the week will it be after 24 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
32. 32.If 7 January is a Thursday, what day of the week is 21 January? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
33. 33.If 15 July is a Thursday, what day of the week is 25 July? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
34. 34.Today is Sunday. What day of the week will it be after 93 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
35. 35.If 23 May is a Friday, what day of the week is 3 June? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
36. 36.Today is Thursday. What day of the week will it be after 53 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
37. 37.If 12 May is a Tuesday, what day of the week is 17 June? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
38. 38.If 22 September is a Monday, what day of the week is 19 October? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
39. 39.If 23 May is a Friday, what day of the week is 20 June? (a) Thursday (b) Friday (c) Sunday (d) Saturday
40. 40.If 9 August is a Wednesday, what day of the week is 23 August? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday

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