Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 115 · 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 Friday. What day of the week will it be after 63 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
2. 2.If 10 June is a Tuesday, what day of the week is 12 July? (a) Sunday (b) Saturday (c) Friday (d) Monday
3. 3.Today is Sunday. What day of the week will it be after 30 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
4. 4.If 13 June is a Monday, what day of the week is 17 July? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
5. 5.If 4 May is a Wednesday, what day of the week is 18 May? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
6. 6.If 5 January is a Tuesday, what day of the week is 14 January? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
7. 7.Today is Monday. What day of the week will it be after 11 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
8. 8.If 21 April is a Tuesday, what day of the week is 5 May? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
9. 9.Today is Monday. What day of the week will it be after 68 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
10. 10.If 24 March is a Wednesday, what day of the week is 6 April? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
11. 11.Today is Saturday. What day of the week will it be after 32 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
12. 12.If 14 January is a Wednesday, what day of the week is 28 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
13. 13.If 18 January is a Friday, what day of the week is 17 February? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
14. 14.If 3 October is a Friday, what day of the week is 16 October? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
15. 15.If 12 August is a Wednesday, what day of the week is 6 September? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
16. 16.If 4 December is a Sunday, what day of the week is 12 December? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
17. 17.If 12 July is a Sunday, what day of the week is 22 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
18. 18.Today is Tuesday. What day of the week will it be after 33 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
19. 19.If 5 August is a Wednesday, what day of the week is 20 August? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
20. 20.If 14 October is a Monday, what day of the week is 22 October? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
21. 21.If 19 March is a Thursday, what day of the week is 3 April? (a) Thursday (b) Sunday (c) Saturday (d) Friday
22. 22.Today is Wednesday. What day of the week will it be after 83 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
23. 23.If 27 April is a Sunday, what day of the week is 11 May? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
24. 24.Today is Wednesday. What day of the week will it be after 87 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
25. 25.If 2 March is a Saturday, what day of the week is 10 March? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
26. 26.If 11 May is a Friday, what day of the week is 17 June? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
27. 27.If 23 July is a Saturday, what day of the week is 17 August? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
28. 28.If 14 August is a Tuesday, what day of the week is 30 August? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
29. 29.If 23 August is a Monday, what day of the week is 15 September? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
30. 30.If 9 March is a Tuesday, what day of the week is 18 March? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
31. 31.If 31 January is a Wednesday, what day of the week is 17 February? (a) Saturday (b) Sunday (c) Friday (d) Monday
32. 32.If 11 August is a Saturday, what day of the week is 5 September? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
33. 33.If 8 December is a Saturday, what day of the week is 16 December? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
34. 34.If 19 July is a Monday, what day of the week is 3 August? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
35. 35.If 30 August is a Tuesday, what day of the week is 5 September? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
36. 36.If 5 March is a Wednesday, what day of the week is 14 March? (a) Sunday (b) Saturday (c) Friday (d) Thursday
37. 37.If 11 August is a Saturday, what day of the week is 24 August? (a) Thursday (b) Saturday (c) Friday (d) Sunday
38. 38.If 7 August is a Saturday, what day of the week is 23 August? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
39. 39.If 13 March is a Thursday, what day of the week is 23 March? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
40. 40.If 15 January is a Wednesday, what day of the week is 12 February? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday

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