Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 106 · 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 August is a Sunday, what day of the week is 27 August? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
2. 2.Today is Saturday. What day of the week will it be after 17 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
3. 3.If 15 August is a Wednesday, what day of the week is 14 September? (a) Thursday (b) Friday (c) Saturday (d) Sunday
4. 4.If 20 January is a Saturday, what day of the week is 6 February? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
5. 5.If 15 May is a Wednesday, what day of the week is 7 June? (a) Sunday (b) Thursday (c) Saturday (d) Friday
6. 6.If 4 March is a Monday, what day of the week is 12 March? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
7. 7.If 4 August is a Tuesday, what day of the week is 12 August? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
8. 8.Today is Thursday. What day of the week will it be after 45 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
9. 9.Today is Monday. What day of the week will it be after 17 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
10. 10.If 1 May is a Thursday, what day of the week is 11 May? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
11. 11.If 28 November is a Thursday, what day of the week is 9 December? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
12. 12.If 8 October is a Tuesday, what day of the week is 23 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
13. 13.If 10 March is a Wednesday, what day of the week is 19 March? (a) Thursday (b) Sunday (c) Saturday (d) Friday
14. 14.If 10 October is a Sunday, what day of the week is 24 October? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
15. 15.Today is Sunday. What day of the week will it be after 97 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
16. 16.If 10 July is a Friday, what day of the week is 17 August? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
17. 17.If 11 March is a Monday, what day of the week is 19 April? (a) Thursday (b) Saturday (c) Sunday (d) Friday
18. 18.If 24 March is a Sunday, what day of the week is 19 April? (a) Friday (b) Sunday (c) Saturday (d) Thursday
19. 19.If 15 September is a Friday, what day of the week is 3 October? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
20. 20.If 3 October is a Monday, what day of the week is 19 October? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
21. 21.If 11 September is a Thursday, what day of the week is 11 October? (a) Sunday (b) Friday (c) Monday (d) Saturday
22. 22.If 16 September is a Tuesday, what day of the week is 2 October? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
23. 23.Today is Tuesday. What day of the week will it be after 51 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
24. 24.If 17 March is a Saturday, what day of the week is 20 April? (a) Thursday (b) Sunday (c) Saturday (d) Friday
25. 25.If 9 May is a Sunday, what day of the week is 22 May? (a) Monday (b) Saturday (c) Sunday (d) Friday
26. 26.If 12 September is a Tuesday, what day of the week is 1 October? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
27. 27.If 12 May is a Friday, what day of the week is 23 May? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
28. 28.If 13 October is a Saturday, what day of the week is 26 October? (a) Friday (b) Saturday (c) Sunday (d) Thursday
29. 29.Today is Thursday. What day of the week will it be after 58 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
30. 30.If 25 July is a Thursday, what day of the week is 15 August? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
31. 31.If 28 April is a Tuesday, what day of the week is 3 May? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
32. 32.Today is Tuesday. What day of the week will it be after 88 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
33. 33.Today is Thursday. What day of the week will it be after 46 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
34. 34.If 19 March is a Friday, what day of the week is 2 April? (a) Saturday (b) Sunday (c) Thursday (d) Friday
35. 35.If 16 January is a Thursday, what day of the week is 5 February? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
36. 36.If 16 August is a Thursday, what day of the week is 20 September? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
37. 37.Today is Saturday. What day of the week will it be after 27 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
38. 38.If 27 March is a Saturday, what day of the week is 13 April? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
39. 39.Today is Monday. What day of the week will it be after 99 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
40. 40.Today is Monday. What day of the week will it be after 75 days? (a) Monday (b) Friday (c) Saturday (d) Sunday

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