Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 176 · 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 Thursday. What day of the week will it be after 27 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
2. 2.Today is Monday. What day of the week will it be after 37 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
3. 3.If 9 March is a Monday, what day of the week is 18 March? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
4. 4.If 12 October is a Sunday, what day of the week is 22 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
5. 5.Today is Sunday. What day of the week will it be after 49 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
6. 6.If 9 December is a Friday, what day of the week is 23 December? (a) Thursday (b) Sunday (c) Saturday (d) Friday
7. 7.Today is Thursday. What day of the week will it be after 35 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
8. 8.Today is Sunday. What day of the week will it be after 64 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
9. 9.If 3 July is a Monday, what day of the week is 11 July? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
10. 10.If 2 January is a Monday, what day of the week is 10 January? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
11. 11.If 12 November is a Thursday, what day of the week is 1 December? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
12. 12.If 19 September is a Saturday, what day of the week is 12 October? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
13. 13.If 18 April is a Sunday, what day of the week is 14 May? (a) Sunday (b) Thursday (c) Friday (d) Saturday
14. 14.If 18 January is a Thursday, what day of the week is 3 February? (a) Sunday (b) Friday (c) Monday (d) Saturday
15. 15.If 10 June is a Saturday, what day of the week is 5 July? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
16. 16.Today is Thursday. What day of the week will it be after 33 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
17. 17.Today is Saturday. What day of the week will it be after 91 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
18. 18.If 9 July is a Thursday, what day of the week is 18 July? (a) Sunday (b) Monday (c) Friday (d) Saturday
19. 19.If 14 June is a Thursday, what day of the week is 2 July? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
20. 20.If 29 June is a Thursday, what day of the week is 15 July? (a) Friday (b) Saturday (c) Monday (d) Sunday
21. 21.Today is Thursday. What day of the week will it be after 16 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
22. 22.If 28 October is a Saturday, what day of the week is 2 November? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
23. 23.If 2 August is a Saturday, what day of the week is 17 August? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
24. 24.If 1 October is a Wednesday, what day of the week is 13 October? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
25. 25.If 15 December is a Wednesday, what day of the week is 27 December? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
26. 26.Today is Sunday. What day of the week will it be after 78 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
27. 27.If 10 August is a Tuesday, what day of the week is 24 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
28. 28.If 5 August is a Saturday, what day of the week is 16 August? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
29. 29.If 12 July is a Sunday, what day of the week is 9 August? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
30. 30.Today is Sunday. What day of the week will it be after 100 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
31. 31.If 24 January is a Tuesday, what day of the week is 14 February? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
32. 32.Today is Monday. What day of the week will it be after 43 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
33. 33.If 7 March is a Thursday, what day of the week is 18 March? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
34. 34.If 6 May is a Tuesday, what day of the week is 17 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
35. 35.If 3 January is a Thursday, what day of the week is 19 January? (a) Monday (b) Sunday (c) Friday (d) Saturday
36. 36.If 5 October is a Tuesday, what day of the week is 13 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
37. 37.If 24 March is a Monday, what day of the week is 1 April? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
38. 38.If 28 June is a Friday, what day of the week is 10 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
39. 39.Today is Friday. What day of the week will it be after 66 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
40. 40.If 7 January is a Sunday, what day of the week is 19 January? (a) Saturday (b) Sunday (c) Thursday (d) Friday

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