Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 918 · 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 Monday. What day of the week will it be after 39 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
2. 2.Today is Tuesday. What day of the week will it be after 56 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
3. 3.If 14 May is a Monday, what day of the week is 30 May? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
4. 4.If 13 December is a Thursday, what day of the week is 27 December? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
5. 5.If 4 December is a Tuesday, what day of the week is 12 December? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
6. 6.Today is Wednesday. What day of the week will it be after 48 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
7. 7.If 5 March is a Sunday, what day of the week is 17 March? (a) Friday (b) Sunday (c) Thursday (d) Saturday
8. 8.If 13 August is a Friday, what day of the week is 8 September? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
9. 9.If 7 May is a Monday, what day of the week is 16 May? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
10. 10.If 10 May is a Friday, what day of the week is 4 June? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
11. 11.If 24 October is a Wednesday, what day of the week is 1 November? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
12. 12.If 2 January is a Saturday, what day of the week is 18 January? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
13. 13.Today is Monday. What day of the week will it be after 86 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
14. 14.Today is Monday. What day of the week will it be after 61 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
15. 15.If 12 January is a Thursday, what day of the week is 25 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
16. 16.If 11 March is a Wednesday, what day of the week is 23 March? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
17. 17.Today is Friday. What day of the week will it be after 81 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
18. 18.If 10 June is a Wednesday, what day of the week is 5 July? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
19. 19.If 7 December is a Friday, what day of the week is 17 December? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
20. 20.Today is Monday. What day of the week will it be after 53 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
21. 21.If 10 March is a Wednesday, what day of the week is 20 March? (a) Monday (b) Sunday (c) Friday (d) Saturday
22. 22.If 17 November is a Wednesday, what day of the week is 6 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
23. 23.If 30 June is a Tuesday, what day of the week is 13 July? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
24. 24.If 19 July is a Thursday, what day of the week is 1 August? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
25. 25.Today is Monday. What day of the week will it be after 50 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
26. 26.If 23 April is a Thursday, what day of the week is 8 May? (a) Saturday (b) Thursday (c) Sunday (d) Friday
27. 27.If 5 December is a Sunday, what day of the week is 18 December? (a) Friday (b) Monday (c) Saturday (d) Sunday
28. 28.If 2 May is a Friday, what day of the week is 15 May? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
29. 29.If 30 May is a Sunday, what day of the week is 6 June? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
30. 30.If 3 October is a Sunday, what day of the week is 15 October? (a) Saturday (b) Thursday (c) Sunday (d) Friday
31. 31.If 6 August is a Sunday, what day of the week is 17 August? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
32. 32.If 25 March is a Thursday, what day of the week is 8 April? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
33. 33.Today is Monday. What day of the week will it be after 54 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
34. 34.If 5 July is a Friday, what day of the week is 17 July? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
35. 35.Today is Monday. What day of the week will it be after 38 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
36. 36.If 26 November is a Friday, what day of the week is 16 December? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
37. 37.If 9 July is a Tuesday, what day of the week is 18 July? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
38. 38.If 15 July is a Friday, what day of the week is 23 July? (a) Monday (b) Friday (c) Sunday (d) Saturday
39. 39.If 29 July is a Thursday, what day of the week is 7 August? (a) Saturday (b) Monday (c) Sunday (d) Friday
40. 40.Today is Sunday. What day of the week will it be after 26 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday

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