Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 152 · 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 10 December is a Friday, what day of the week is 22 December? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
2. 2.If 12 March is a Tuesday, what day of the week is 27 March? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
3. 3.Today is Friday. What day of the week will it be after 40 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
4. 4.If 10 July is a Tuesday, what day of the week is 8 August? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
5. 5.If 11 May is a Thursday, what day of the week is 20 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
6. 6.If 12 April is a Thursday, what day of the week is 13 May? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
7. 7.If 1 January is a Monday, what day of the week is 14 January? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
8. 8.Today is Sunday. What day of the week will it be after 17 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
9. 9.If 21 August is a Wednesday, what day of the week is 14 September? (a) Monday (b) Sunday (c) Friday (d) Saturday
10. 10.If 1 May is a Saturday, what day of the week is 9 May? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
11. 11.Today is Wednesday. What day of the week will it be after 43 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
12. 12.Today is Wednesday. What day of the week will it be after 17 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
13. 13.If 14 September is a Friday, what day of the week is 17 October? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
14. 14.Today is Monday. What day of the week will it be after 50 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
15. 15.If 14 December is a Sunday, what day of the week is 23 December? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
16. 16.If 13 March is a Thursday, what day of the week is 26 March? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
17. 17.If 6 December is a Friday, what day of the week is 16 December? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
18. 18.Today is Wednesday. What day of the week will it be after 40 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
19. 19.If 2 December is a Thursday, what day of the week is 13 December? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
20. 20.If 10 October is a Sunday, what day of the week is 21 October? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
21. 21.Today is Monday. What day of the week will it be after 26 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
22. 22.If 7 December is a Wednesday, what day of the week is 18 December? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
23. 23.If 18 July is a Tuesday, what day of the week is 2 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
24. 24.If 24 April is a Thursday, what day of the week is 4 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
25. 25.If 17 November is a Tuesday, what day of the week is 2 December? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
26. 26.Today is Monday. What day of the week will it be after 67 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
27. 27.Today is Tuesday. What day of the week will it be after 71 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
28. 28.If 6 May is a Monday, what day of the week is 15 May? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
29. 29.If 14 August is a Sunday, what day of the week is 29 August? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
30. 30.If 7 December is a Tuesday, what day of the week is 16 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
31. 31.Today is Thursday. What day of the week will it be after 27 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
32. 32.If 4 October is a Sunday, what day of the week is 19 October? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
33. 33.Today is Monday. What day of the week will it be after 91 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
34. 34.If 4 May is a Thursday, what day of the week is 14 May? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
35. 35.If 11 May is a Tuesday, what day of the week is 21 May? (a) Thursday (b) Sunday (c) Saturday (d) Friday
36. 36.If 4 May is a Tuesday, what day of the week is 17 May? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
37. 37.If 4 May is a Friday, what day of the week is 16 May? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
38. 38.If 15 March is a Saturday, what day of the week is 28 March? (a) Sunday (b) Saturday (c) Thursday (d) Friday
39. 39.If 11 April is a Monday, what day of the week is 3 May? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
40. 40.Today is Saturday. What day of the week will it be after 12 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday

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