Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 62 · 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 15 October is a Saturday, what day of the week is 24 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
2. 2.If 18 January is a Monday, what day of the week is 5 February? (a) Saturday (b) Thursday (c) Friday (d) Sunday
3. 3.If 28 April is a Friday, what day of the week is 8 May? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
4. 4.If 7 May is a Saturday, what day of the week is 20 May? (a) Saturday (b) Sunday (c) Friday (d) Thursday
5. 5.If 13 August is a Monday, what day of the week is 25 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
6. 6.If 13 November is a Sunday, what day of the week is 11 December? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
7. 7.If 17 November is a Thursday, what day of the week is 1 December? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
8. 8.If 8 May is a Friday, what day of the week is 16 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
9. 9.If 9 August is a Saturday, what day of the week is 22 August? (a) Saturday (b) Sunday (c) Friday (d) Thursday
10. 10.If 13 August is a Monday, what day of the week is 23 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
11. 11.Today is Monday. What day of the week will it be after 98 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
12. 12.If 7 May is a Friday, what day of the week is 18 May? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
13. 13.If 1 October is a Friday, what day of the week is 12 October? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
14. 14.Today is Tuesday. What day of the week will it be after 35 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
15. 15.Today is Wednesday. What day of the week will it be after 11 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
16. 16.If 19 May is a Wednesday, what day of the week is 17 June? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
17. 17.If 21 November is a Thursday, what day of the week is 4 December? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
18. 18.If 1 October is a Friday, what day of the week is 13 October? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
19. 19.If 13 April is a Thursday, what day of the week is 13 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
20. 20.Today is Wednesday. What day of the week will it be after 52 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
21. 21.If 31 January is a Tuesday, what day of the week is 8 February? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
22. 22.Today is Sunday. What day of the week will it be after 71 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
23. 23.If 10 July is a Tuesday, what day of the week is 14 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
24. 24.If 21 October is a Sunday, what day of the week is 14 November? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
25. 25.Today is Sunday. What day of the week will it be after 65 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
26. 26.If 18 September is a Monday, what day of the week is 19 October? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
27. 27.If 4 December is a Tuesday, what day of the week is 14 December? (a) Friday (b) Thursday (c) Saturday (d) Sunday
28. 28.If 5 May is a Wednesday, what day of the week is 15 May? (a) Sunday (b) Monday (c) Friday (d) Saturday
29. 29.If 8 December is a Sunday, what day of the week is 19 December? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
30. 30.Today is Tuesday. What day of the week will it be after 31 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
31. 31.If 19 May is a Sunday, what day of the week is 1 June? (a) Monday (b) Saturday (c) Sunday (d) Friday
32. 32.If 8 May is a Saturday, what day of the week is 16 May? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
33. 33.If 12 August is a Saturday, what day of the week is 26 August? (a) Sunday (b) Friday (c) Monday (d) Saturday
34. 34.If 15 January is a Monday, what day of the week is 24 January? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
35. 35.If 1 May is a Monday, what day of the week is 13 May? (a) Sunday (b) Saturday (c) Friday (d) Monday
36. 36.If 22 June is a Friday, what day of the week is 5 July? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
37. 37.If 12 August is a Thursday, what day of the week is 24 August? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
38. 38.If 4 October is a Monday, what day of the week is 17 October? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
39. 39.If 2 August is a Wednesday, what day of the week is 10 August? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
40. 40.If 10 March is a Friday, what day of the week is 19 April? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday

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