Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 427 · 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 Tuesday. What day of the week will it be after 67 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
2. 2.If 8 October is a Saturday, what day of the week is 23 October? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
3. 3.If 12 August is a Thursday, what day of the week is 19 September? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
4. 4.Today is Friday. What day of the week will it be after 21 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
5. 5.If 30 July is a Thursday, what day of the week is 2 August? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
6. 6.Today is Friday. What day of the week will it be after 88 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
7. 7.If 5 August is a Thursday, what day of the week is 21 August? (a) Monday (b) Sunday (c) Saturday (d) Friday
8. 8.If 4 March is a Friday, what day of the week is 15 March? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
9. 9.If 8 May is a Wednesday, what day of the week is 17 May? (a) Thursday (b) Friday (c) Saturday (d) Sunday
10. 10.If 22 July is a Tuesday, what day of the week is 4 August? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
11. 11.If 4 March is a Monday, what day of the week is 16 March? (a) Saturday (b) Sunday (c) Friday (d) Monday
12. 12.If 7 March is a Sunday, what day of the week is 18 March? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
13. 13.Today is Thursday. What day of the week will it be after 100 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
14. 14.Today is Sunday. What day of the week will it be after 81 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
15. 15.If 15 June is a Saturday, what day of the week is 12 July? (a) Thursday (b) Saturday (c) Sunday (d) Friday
16. 16.If 12 May is a Wednesday, what day of the week is 16 June? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
17. 17.If 13 September is a Friday, what day of the week is 19 October? (a) Monday (b) Saturday (c) Sunday (d) Friday
18. 18.If 14 November is a Friday, what day of the week is 4 December? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
19. 19.If 4 January is a Friday, what day of the week is 14 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
20. 20.Today is Tuesday. What day of the week will it be after 10 days? (a) Friday (b) Sunday (c) Saturday (d) Thursday
21. 21.If 14 May is a Monday, what day of the week is 22 May? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
22. 22.If 2 May is a Sunday, what day of the week is 13 May? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
23. 23.If 31 March is a Tuesday, what day of the week is 13 April? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
24. 24.Today is Monday. What day of the week will it be after 35 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
25. 25.If 28 April is a Tuesday, what day of the week is 11 May? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
26. 26.If 4 March is a Monday, what day of the week is 17 March? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
27. 27.Today is Sunday. What day of the week will it be after 55 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
28. 28.Today is Monday. What day of the week will it be after 32 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
29. 29.If 15 May is a Sunday, what day of the week is 27 May? (a) Sunday (b) Thursday (c) Saturday (d) Friday
30. 30.If 18 May is a Monday, what day of the week is 3 June? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
31. 31.If 10 September is a Wednesday, what day of the week is 14 October? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
32. 32.Today is Thursday. What day of the week will it be after 15 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
33. 33.If 14 March is a Sunday, what day of the week is 30 March? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
34. 34.If 7 December is a Saturday, what day of the week is 15 December? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
35. 35.Today is Sunday. What day of the week will it be after 91 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
36. 36.Today is Monday. What day of the week will it be after 99 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
37. 37.Today is Friday. What day of the week will it be after 38 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
38. 38.If 21 September is a Monday, what day of the week is 16 October? (a) Thursday (b) Sunday (c) Saturday (d) Friday
39. 39.Today is Friday. What day of the week will it be after 76 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
40. 40.If 2 August is a Sunday, what day of the week is 16 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday

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