Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 127 · 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 98 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
2. 2.If 26 November is a Sunday, what day of the week is 10 December? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
3. 3.If 12 August is a Saturday, what day of the week is 1 September? (a) Sunday (b) Saturday (c) Thursday (d) Friday
4. 4.Today is Tuesday. What day of the week will it be after 31 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
5. 5.Today is Monday. What day of the week will it be after 29 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
6. 6.If 9 January is a Tuesday, what day of the week is 22 January? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
7. 7.If 3 July is a Friday, what day of the week is 15 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
8. 8.If 28 January is a Tuesday, what day of the week is 11 February? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
9. 9.If 13 May is a Thursday, what day of the week is 22 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
10. 10.If 15 October is a Saturday, what day of the week is 24 October? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
11. 11.If 11 March is a Wednesday, what day of the week is 26 March? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
12. 12.If 11 August is a Thursday, what day of the week is 27 August? (a) Monday (b) Saturday (c) Sunday (d) Friday
13. 13.Today is Friday. What day of the week will it be after 29 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
14. 14.Today is Wednesday. What day of the week will it be after 72 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
15. 15.Today is Wednesday. What day of the week will it be after 76 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
16. 16.If 17 March is a Tuesday, what day of the week is 20 April? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
17. 17.If 6 October is a Wednesday, what day of the week is 14 October? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
18. 18.If 9 July is a Tuesday, what day of the week is 24 July? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
19. 19.If 2 October is a Saturday, what day of the week is 18 October? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
20. 20.If 15 July is a Tuesday, what day of the week is 23 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
21. 21.Today is Thursday. What day of the week will it be after 35 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
22. 22.If 9 December is a Thursday, what day of the week is 23 December? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
23. 23.If 16 May is a Monday, what day of the week is 12 June? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
24. 24.If 27 August is a Tuesday, what day of the week is 8 September? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
25. 25.If 13 May is a Saturday, what day of the week is 17 June? (a) Friday (b) Sunday (c) Monday (d) Saturday
26. 26.Today is Saturday. What day of the week will it be after 69 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
27. 27.If 8 May is a Tuesday, what day of the week is 20 May? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
28. 28.If 25 November is a Tuesday, what day of the week is 9 December? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
29. 29.If 3 August is a Thursday, what day of the week is 19 August? (a) Saturday (b) Sunday (c) Friday (d) Monday
30. 30.Today is Sunday. What day of the week will it be after 62 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
31. 31.If 1 January is a Saturday, what day of the week is 9 January? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
32. 32.If 3 December is a Sunday, what day of the week is 13 December? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
33. 33.Today is Monday. What day of the week will it be after 48 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
34. 34.Today is Thursday. What day of the week will it be after 77 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
35. 35.If 4 January is a Saturday, what day of the week is 14 January? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
36. 36.If 16 May is a Thursday, what day of the week is 18 June? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
37. 37.If 7 December is a Thursday, what day of the week is 15 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
38. 38.If 8 July is a Sunday, what day of the week is 17 July? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
39. 39.Today is Tuesday. What day of the week will it be after 89 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
40. 40.Today is Friday. What day of the week will it be after 71 days? (a) Sunday (b) Saturday (c) Monday (d) Friday

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