Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 501 · 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 31 March is a Tuesday, what day of the week is 2 April? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
2. 2.If 17 October is a Sunday, what day of the week is 2 November? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
3. 3.Today is Friday. What day of the week will it be after 81 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
4. 4.Today is Monday. What day of the week will it be after 63 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
5. 5.If 15 May is a Saturday, what day of the week is 31 May? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
6. 6.Today is Thursday. What day of the week will it be after 24 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
7. 7.If 25 June is a Wednesday, what day of the week is 15 July? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
8. 8.If 11 August is a Tuesday, what day of the week is 22 August? (a) Saturday (b) Sunday (c) Monday (d) Friday
9. 9.If 9 August is a Monday, what day of the week is 17 August? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
10. 10.If 3 March is a Thursday, what day of the week is 11 March? (a) Sunday (b) Saturday (c) Friday (d) Thursday
11. 11.Today is Tuesday. What day of the week will it be after 89 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
12. 12.If 13 August is a Thursday, what day of the week is 16 September? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
13. 13.If 14 April is a Friday, what day of the week is 20 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
14. 14.If 5 January is a Tuesday, what day of the week is 15 January? (a) Saturday (b) Friday (c) Sunday (d) Thursday
15. 15.Today is Tuesday. What day of the week will it be after 37 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
16. 16.If 6 December is a Saturday, what day of the week is 19 December? (a) Thursday (b) Sunday (c) Saturday (d) Friday
17. 17.If 9 October is a Saturday, what day of the week is 21 October? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
18. 18.If 21 November is a Sunday, what day of the week is 8 December? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
19. 19.If 3 December is a Wednesday, what day of the week is 18 December? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
20. 20.If 10 April is a Sunday, what day of the week is 15 May? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
21. 21.If 10 January is a Sunday, what day of the week is 3 February? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
22. 22.Today is Friday. What day of the week will it be after 21 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
23. 23.If 15 May is a Tuesday, what day of the week is 28 May? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
24. 24.Today is Monday. What day of the week will it be after 77 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
25. 25.Today is Monday. What day of the week will it be after 40 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
26. 26.If 7 January is a Friday, what day of the week is 18 January? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
27. 27.If 12 January is a Saturday, what day of the week is 28 January? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
28. 28.If 14 January is a Tuesday, what day of the week is 24 January? (a) Sunday (b) Saturday (c) Thursday (d) Friday
29. 29.If 14 January is a Monday, what day of the week is 17 February? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
30. 30.If 22 June is a Monday, what day of the week is 12 July? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
31. 31.If 7 December is a Monday, what day of the week is 17 December? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
32. 32.If 15 December is a Saturday, what day of the week is 23 December? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
33. 33.If 14 May is a Thursday, what day of the week is 26 May? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
34. 34.Today is Tuesday. What day of the week will it be after 92 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
35. 35.If 1 May is a Thursday, what day of the week is 12 May? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
36. 36.Today is Sunday. What day of the week will it be after 37 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
37. 37.If 11 November is a Monday, what day of the week is 14 December? (a) Monday (b) Friday (c) Sunday (d) Saturday
38. 38.Today is Thursday. What day of the week will it be after 26 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
39. 39.If 10 June is a Wednesday, what day of the week is 9 July? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
40. 40.If 13 December is a Sunday, what day of the week is 24 December? (a) Friday (b) Thursday (c) Wednesday (d) Saturday

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